87435790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{9473}}^1$

素因数の和:9564

約数の個数: 32

約数和(自身を含む): 171896256

約数和(自身を除く): 84460466

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 9473, 18946, 47365, 94730, 123149, 246298, 615745, 672583, 1231490, 1345166, 3362915, 6725830, 8743579, 17487158, 43717895, 87435790]

約数ペア:

[(1, 87435790), (2, 43717895), (5, 17487158), (10, 8743579), (13, 6725830), (26, 3362915), (65, 1345166), (71, 1231490), (130, 672583), (142, 615745), (355, 246298), (710, 123149), (923, 94730), (1846, 47365), (4615, 18946), (9230, 9473)]