7864990

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{2293}}^1$

素因数の和:2321

約数の個数: 32

約数和(自身を含む): 16516800

約数和(自身を除く): 8651810

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 2293, 3430, 4586, 11465, 16051, 22930, 32102, 80255, 112357, 160510, 224714, 561785, 786499, 1123570, 1572998, 3932495, 7864990]

約数ペア:

[(1, 7864990), (2, 3932495), (5, 1572998), (7, 1123570), (10, 786499), (14, 561785), (35, 224714), (49, 160510), (70, 112357), (98, 80255), (245, 32102), (343, 22930), (490, 16051), (686, 11465), (1715, 4586), (2293, 3430)]