161388290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{8971}}^1$

素因数の和:9242

約数の個数: 32

約数和(自身を含む): 333327744

約数和(自身を除く): 171939454

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1285, 1799, 2570, 3598, 8971, 8995, 17942, 17990, 44855, 62797, 89710, 125594, 313985, 627970, 2305547, 4611094, 11527735, 16138829, 23055470, 32277658, 80694145, 161388290]

約数ペア:

[(1, 161388290), (2, 80694145), (5, 32277658), (7, 23055470), (10, 16138829), (14, 11527735), (35, 4611094), (70, 2305547), (257, 627970), (514, 313985), (1285, 125594), (1799, 89710), (2570, 62797), (3598, 44855), (8971, 17990), (8995, 17942)]