407298905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{619}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 539965440

約数和(自身を除く): 132666535

約数列:

[1, 5, 13, 53, 65, 191, 265, 619, 689, 955, 2483, 3095, 3445, 8047, 10123, 12415, 32807, 40235, 50615, 118229, 131599, 164035, 426491, 591145, 657995, 1536977, 2132455, 6266137, 7684885, 31330685, 81459781, 407298905]

約数ペア:

[(1, 407298905), (5, 81459781), (13, 31330685), (53, 7684885), (65, 6266137), (191, 2132455), (265, 1536977), (619, 657995), (689, 591145), (955, 426491), (2483, 164035), (3095, 131599), (3445, 118229), (8047, 50615), (10123, 40235), (12415, 32807)]