1281794696

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:344

約数の個数: 192

約数和(自身を含む): 3263431680

約数和(自身を除く): 1981636984

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 31, 34, 52, 56, 62, 68, 91, 104, 119, 124, 136, 169, 182, 217, 221, 238, 248, 257, 338, 364, 403, 434, 442, 476, 514, 527, 676, 728, 806, 868, 884, 952, 1028, 1054, 1183, 1352, 1547, 1612, 1736, 1768, 1799, 2056, 2108, 2366, 2821, 2873, 3094, 3224, 3341, 3598, 3689, 4216, 4369, 4732, 5239, 5642, 5746, 6188, 6682, 6851, 7196, 7378, 7967, 8738, 9464, 10478, 11284, 11492, 12376, 13364, 13702, 14392, 14756, 15934, 17476, 20111, 20956, 22568, 22984, 23387, 26728, 27404, 29512, 30583, 31868, 34952, 36673, 40222, 41912, 43433, 46774, 47957, 54808, 55769, 56797, 61166, 63736, 73346, 80444, 86866, 89063, 93548, 95914, 103571, 111538, 113594, 122332, 135439, 146692, 160888, 173732, 178126, 187096, 191828, 207142, 223076, 227188, 244664, 270878, 293384, 304031, 347464, 356252, 383656, 397579, 414284, 446152, 454376, 541756, 608062, 623441, 712504, 724997, 738361, 795158, 828568, 948073, 1083512, 1216124, 1246882, 1346423, 1449994, 1476722, 1590316, 1760707, 1896146, 2432248, 2493764, 2692846, 2899988, 2953444, 3180632, 3521414, 3792292, 4987528, 5168527, 5385692, 5799976, 5906888, 7042828, 7584584, 9424961, 10337054, 10771384, 12324949, 14085656, 18849922, 20674108, 22889191, 24649898, 37699844, 41348216, 45778382, 49299796, 75399688, 91556764, 98599592, 160224337, 183113528, 320448674, 640897348, 1281794696]

約数ペア:

[(1, 1281794696), (2, 640897348), (4, 320448674), (7, 183113528), (8, 160224337), (13, 98599592), (14, 91556764), (17, 75399688), (26, 49299796), (28, 45778382), (31, 41348216), (34, 37699844), (52, 24649898), (56, 22889191), (62, 20674108), (68, 18849922), (91, 14085656), (104, 12324949), (119, 10771384), (124, 10337054), (136, 9424961), (169, 7584584), (182, 7042828), (217, 5906888), (221, 5799976), (238, 5385692), (248, 5168527), (257, 4987528), (338, 3792292), (364, 3521414), (403, 3180632), (434, 2953444), (442, 2899988), (476, 2692846), (514, 2493764), (527, 2432248), (676, 1896146), (728, 1760707), (806, 1590316), (868, 1476722), (884, 1449994), (952, 1346423), (1028, 1246882), (1054, 1216124), (1183, 1083512), (1352, 948073), (1547, 828568), (1612, 795158), (1736, 738361), (1768, 724997), (1799, 712504), (2056, 623441), (2108, 608062), (2366, 541756), (2821, 454376), (2873, 446152), (3094, 414284), (3224, 397579), (3341, 383656), (3598, 356252), (3689, 347464), (4216, 304031), (4369, 293384), (4732, 270878), (5239, 244664), (5642, 227188), (5746, 223076), (6188, 207142), (6682, 191828), (6851, 187096), (7196, 178126), (7378, 173732), (7967, 160888), (8738, 146692), (9464, 135439), (10478, 122332), (11284, 113594), (11492, 111538), (12376, 103571), (13364, 95914), (13702, 93548), (14392, 89063), (14756, 86866), (15934, 80444), (17476, 73346), (20111, 63736), (20956, 61166), (22568, 56797), (22984, 55769), (23387, 54808), (26728, 47957), (27404, 46774), (29512, 43433), (30583, 41912), (31868, 40222), (34952, 36673)]