1640894628

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{10039}}^1$

素因数の和:10356

約数の個数: 48

約数和(自身を含む): 3916563840

約数和(自身を除く): 2275669212

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 257, 318, 514, 636, 771, 1028, 1542, 3084, 10039, 13621, 20078, 27242, 30117, 40156, 40863, 54484, 60234, 81726, 120468, 163452, 532067, 1064134, 1596201, 2128268, 2580023, 3192402, 5160046, 6384804, 7740069, 10320092, 15480138, 30960276, 136741219, 273482438, 410223657, 546964876, 820447314, 1640894628]

約数ペア:

[(1, 1640894628), (2, 820447314), (3, 546964876), (4, 410223657), (6, 273482438), (12, 136741219), (53, 30960276), (106, 15480138), (159, 10320092), (212, 7740069), (257, 6384804), (318, 5160046), (514, 3192402), (636, 2580023), (771, 2128268), (1028, 1596201), (1542, 1064134), (3084, 532067), (10039, 163452), (13621, 120468), (20078, 81726), (27242, 60234), (30117, 54484), (40156, 40863)]