86719985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{21599}}^1$

素因数の和:21688

約数の個数: 16

約数和(自身を含む): 115084800

約数和(自身を除く): 28364815

約数列:

[1, 5, 11, 55, 73, 365, 803, 4015, 21599, 107995, 237589, 1187945, 1576727, 7883635, 17343997, 86719985]

約数ペア:

[(1, 86719985), (5, 17343997), (11, 7883635), (55, 1576727), (73, 1187945), (365, 237589), (803, 107995), (4015, 21599)]