257026826

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1\times {\mathrm{2237}}^1$

素因数の和:2558

約数の個数: 32

約数和(自身を含む): 457626240

約数和(自身を除く): 200599414

約数列:

[1, 2, 7, 14, 29, 58, 203, 283, 406, 566, 1981, 2237, 3962, 4474, 8207, 15659, 16414, 31318, 57449, 64873, 114898, 129746, 454111, 633071, 908222, 1266142, 4431497, 8862994, 18359059, 36718118, 128513413, 257026826]

約数ペア:

[(1, 257026826), (2, 128513413), (7, 36718118), (14, 18359059), (29, 8862994), (58, 4431497), (203, 1266142), (283, 908222), (406, 633071), (566, 454111), (1981, 129746), (2237, 114898), (3962, 64873), (4474, 57449), (8207, 31318), (15659, 16414)]