85990645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 114760800

約数和(自身を除く): 28770155

約数列:

[1, 5, 13, 53, 65, 109, 229, 265, 545, 689, 1145, 1417, 2977, 3445, 5777, 7085, 12137, 14885, 24961, 28885, 60685, 75101, 124805, 157781, 324493, 375505, 788905, 1322933, 1622465, 6614665, 17198129, 85990645]

約数ペア:

[(1, 85990645), (5, 17198129), (13, 6614665), (53, 1622465), (65, 1322933), (109, 788905), (229, 375505), (265, 324493), (545, 157781), (689, 124805), (1145, 75101), (1417, 60685), (2977, 28885), (3445, 24961), (5777, 14885), (7085, 12137)]