279137144

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:541

約数の個数: 128

約数和(自身を含む): 673505280

約数和(自身を除く): 394368136

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 31, 34, 44, 52, 62, 68, 88, 104, 124, 136, 143, 187, 221, 248, 286, 341, 374, 403, 442, 463, 527, 572, 682, 748, 806, 884, 926, 1054, 1144, 1364, 1496, 1612, 1768, 1852, 2108, 2431, 2728, 3224, 3704, 4216, 4433, 4862, 5093, 5797, 6019, 6851, 7871, 8866, 9724, 10186, 11594, 12038, 13702, 14353, 15742, 17732, 19448, 20372, 23188, 24076, 27404, 28706, 31484, 35464, 40744, 46376, 48152, 54808, 57412, 62968, 66209, 75361, 86581, 102323, 114824, 132418, 150722, 157883, 173162, 186589, 204646, 244001, 264836, 301444, 315766, 346324, 373178, 409292, 488002, 529672, 602888, 631532, 692648, 746356, 818584, 976004, 1125553, 1263064, 1492712, 1952008, 2052479, 2251106, 2684011, 3172013, 4104958, 4502212, 5368022, 6344026, 8209916, 9004424, 10736044, 12688052, 16419832, 21472088, 25376104, 34892143, 69784286, 139568572, 279137144]

約数ペア:

[(1, 279137144), (2, 139568572), (4, 69784286), (8, 34892143), (11, 25376104), (13, 21472088), (17, 16419832), (22, 12688052), (26, 10736044), (31, 9004424), (34, 8209916), (44, 6344026), (52, 5368022), (62, 4502212), (68, 4104958), (88, 3172013), (104, 2684011), (124, 2251106), (136, 2052479), (143, 1952008), (187, 1492712), (221, 1263064), (248, 1125553), (286, 976004), (341, 818584), (374, 746356), (403, 692648), (442, 631532), (463, 602888), (527, 529672), (572, 488002), (682, 409292), (748, 373178), (806, 346324), (884, 315766), (926, 301444), (1054, 264836), (1144, 244001), (1364, 204646), (1496, 186589), (1612, 173162), (1768, 157883), (1852, 150722), (2108, 132418), (2431, 114824), (2728, 102323), (3224, 86581), (3704, 75361), (4216, 66209), (4433, 62968), (4862, 57412), (5093, 54808), (5797, 48152), (6019, 46376), (6851, 40744), (7871, 35464), (8866, 31484), (9724, 28706), (10186, 27404), (11594, 24076), (12038, 23188), (13702, 20372), (14353, 19448), (15742, 17732)]