261583127

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:591

約数の個数: 24

約数和(自身を含む): 300197520

約数和(自身を除く): 38614393

約数列:

[1, 13, 19, 139, 247, 361, 401, 1807, 2641, 4693, 5213, 7619, 34333, 50179, 55739, 99047, 144761, 652327, 724607, 1059041, 1881893, 13767533, 20121779, 261583127]

約数ペア:

[(1, 261583127), (13, 20121779), (19, 13767533), (139, 1881893), (247, 1059041), (361, 724607), (401, 652327), (1807, 144761), (2641, 99047), (4693, 55739), (5213, 50179), (7619, 34333)]