199968685

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1\times {\mathrm{421}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 282449664

約数和(自身を除く): 82480979

約数列:

[1, 5, 7, 35, 41, 205, 287, 331, 421, 1435, 1655, 2105, 2317, 2947, 11585, 13571, 14735, 17261, 67855, 86305, 94997, 120827, 139351, 474985, 604135, 696755, 975457, 4877285, 5713391, 28566955, 39993737, 199968685]

約数ペア:

[(1, 199968685), (5, 39993737), (7, 28566955), (35, 5713391), (41, 4877285), (205, 975457), (287, 696755), (331, 604135), (421, 474985), (1435, 139351), (1655, 120827), (2105, 94997), (2317, 86305), (2947, 67855), (11585, 17261), (13571, 14735)]