201680841605

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{2543}}^1\times {\mathrm{3881}}^1$

素因数の和:6557

約数の個数: 32

約数和(自身を含む): 249818439168

約数和(自身を除く): 48137597563

約数列:

[1, 5, 61, 67, 305, 335, 2543, 3881, 4087, 12715, 19405, 20435, 155123, 170381, 236741, 260027, 775615, 851905, 1183705, 1300135, 9869383, 10393241, 15861647, 49346915, 51966205, 79308235, 602032363, 661248661, 3010161815, 3306243305, 40336168321, 201680841605]

約数ペア:

[(1, 201680841605), (5, 40336168321), (61, 3306243305), (67, 3010161815), (305, 661248661), (335, 602032363), (2543, 79308235), (3881, 51966205), (4087, 49346915), (12715, 15861647), (19405, 10393241), (20435, 9869383), (155123, 1300135), (170381, 1183705), (236741, 851905), (260027, 775615)]