690142

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:267

約数の個数: 16

約数和(自身を含む): 1092240

約数和(自身を除く): 402098

約数列:

[1, 2, 29, 58, 73, 146, 163, 326, 2117, 4234, 4727, 9454, 11899, 23798, 345071, 690142]

約数ペア:

[(1, 690142), (2, 345071), (29, 23798), (58, 11899), (73, 9454), (146, 4727), (163, 4234), (326, 2117)]