256428017631

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{5711}}^1\times {\mathrm{134837}}^1$

素因数の和:140591

約数の個数: 24

約数和(自身を含む): 380476160064

約数和(自身を除く): 124048142433

約数列:

[1, 3, 9, 37, 111, 333, 5711, 17133, 51399, 134837, 211307, 404511, 633921, 1213533, 1901763, 4988969, 14966907, 44900721, 770054107, 2310162321, 6930486963, 28492001959, 85476005877, 256428017631]

約数ペア:

[(1, 256428017631), (3, 85476005877), (9, 28492001959), (37, 6930486963), (111, 2310162321), (333, 770054107), (5711, 44900721), (17133, 14966907), (51399, 4988969), (134837, 1901763), (211307, 1213533), (404511, 633921)]