312789256

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:519

約数の個数: 96

約数和(自身を含む): 695692800

約数和(自身を除く): 382903544

約数列:

[1, 2, 4, 8, 13, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 169, 221, 248, 338, 403, 439, 442, 527, 676, 806, 878, 884, 1054, 1352, 1612, 1756, 1768, 2108, 2873, 3224, 3512, 4216, 5239, 5707, 5746, 6851, 7463, 10478, 11414, 11492, 13609, 13702, 14926, 20956, 22828, 22984, 27218, 27404, 29852, 41912, 45656, 54436, 54808, 59704, 74191, 89063, 97019, 108872, 148382, 176917, 178126, 194038, 231353, 296764, 353834, 356252, 388076, 462706, 593528, 707668, 712504, 776152, 925412, 1261247, 1415336, 1850824, 2299921, 2522494, 3007589, 4599842, 5044988, 6015178, 9199684, 10089976, 12030356, 18399368, 24060712, 39098657, 78197314, 156394628, 312789256]

約数ペア:

[(1, 312789256), (2, 156394628), (4, 78197314), (8, 39098657), (13, 24060712), (17, 18399368), (26, 12030356), (31, 10089976), (34, 9199684), (52, 6015178), (62, 5044988), (68, 4599842), (104, 3007589), (124, 2522494), (136, 2299921), (169, 1850824), (221, 1415336), (248, 1261247), (338, 925412), (403, 776152), (439, 712504), (442, 707668), (527, 593528), (676, 462706), (806, 388076), (878, 356252), (884, 353834), (1054, 296764), (1352, 231353), (1612, 194038), (1756, 178126), (1768, 176917), (2108, 148382), (2873, 108872), (3224, 97019), (3512, 89063), (4216, 74191), (5239, 59704), (5707, 54808), (5746, 54436), (6851, 45656), (7463, 41912), (10478, 29852), (11414, 27404), (11492, 27218), (13609, 22984), (13702, 22828), (14926, 20956)]