258889715

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{859}}^1$

素因数の和:1059

約数の個数: 32

約数和(自身を含む): 363264000

約数和(自身を除く): 104374285

約数列:

[1, 5, 7, 35, 79, 109, 395, 545, 553, 763, 859, 2765, 3815, 4295, 6013, 8611, 30065, 43055, 60277, 67861, 93631, 301385, 339305, 468155, 475027, 655417, 2375135, 3277085, 7396849, 36984245, 51777943, 258889715]

約数ペア:

[(1, 258889715), (5, 51777943), (7, 36984245), (35, 7396849), (79, 3277085), (109, 2375135), (395, 655417), (545, 475027), (553, 468155), (763, 339305), (859, 301385), (2765, 93631), (3815, 67861), (4295, 60277), (6013, 43055), (8611, 30065)]