1684832890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:727

約数の個数: 64

約数和(自身を含む): 3308014080

約数和(自身を除く): 1623181190

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 211, 239, 257, 422, 478, 514, 1055, 1195, 1285, 2110, 2390, 2570, 2743, 3107, 3341, 5486, 6214, 6682, 13715, 15535, 16705, 27430, 31070, 33410, 50429, 54227, 61423, 100858, 108454, 122846, 252145, 271135, 307115, 504290, 542270, 614230, 655577, 704951, 798499, 1311154, 1409902, 1596998, 3277885, 3524755, 3992495, 6555770, 7049510, 7984990, 12960253, 25920506, 64801265, 129602530, 168483289, 336966578, 842416445, 1684832890]

約数ペア:

[(1, 1684832890), (2, 842416445), (5, 336966578), (10, 168483289), (13, 129602530), (26, 64801265), (65, 25920506), (130, 12960253), (211, 7984990), (239, 7049510), (257, 6555770), (422, 3992495), (478, 3524755), (514, 3277885), (1055, 1596998), (1195, 1409902), (1285, 1311154), (2110, 798499), (2390, 704951), (2570, 655577), (2743, 614230), (3107, 542270), (3341, 504290), (5486, 307115), (6214, 271135), (6682, 252145), (13715, 122846), (15535, 108454), (16705, 100858), (27430, 61423), (31070, 54227), (33410, 50429)]