402590279

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{6421}}^1$

素因数の和:6507

約数の個数: 24

約数和(自身を含む): 507697632

約数和(自身を除く): 105107353

約数列:

[1, 7, 13, 53, 91, 169, 371, 689, 1183, 4823, 6421, 8957, 44947, 62699, 83473, 340313, 584311, 1085149, 2382191, 4424069, 7596043, 30968483, 57512897, 402590279]

約数ペア:

[(1, 402590279), (7, 57512897), (13, 30968483), (53, 7596043), (91, 4424069), (169, 2382191), (371, 1085149), (689, 584311), (1183, 340313), (4823, 83473), (6421, 62699), (8957, 44947)]