251015830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{12959}}^1$

素因数の和:13128

約数の個数: 32

約数和(自身を含む): 489888000

約数和(自身を除く): 238872170

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1490, 1937, 3874, 9685, 12959, 19370, 25918, 64795, 129590, 168467, 336934, 842335, 1684670, 1930891, 3861782, 9654455, 19308910, 25101583, 50203166, 125507915, 251015830]

約数ペア:

[(1, 251015830), (2, 125507915), (5, 50203166), (10, 25101583), (13, 19308910), (26, 9654455), (65, 3861782), (130, 1930891), (149, 1684670), (298, 842335), (745, 336934), (1490, 168467), (1937, 129590), (3874, 64795), (9685, 25918), (12959, 19370)]