64490075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 91827456

約数和(自身を除く): 27337381

約数列:

[1, 5, 13, 25, 31, 37, 65, 155, 173, 185, 325, 403, 481, 775, 865, 925, 1147, 2015, 2249, 2405, 4325, 5363, 5735, 6401, 10075, 11245, 12025, 14911, 26815, 28675, 32005, 56225, 69719, 74555, 83213, 134075, 160025, 198431, 348595, 372775, 416065, 992155, 1742975, 2080325, 2579603, 4960775, 12898015, 64490075]

約数ペア:

[(1, 64490075), (5, 12898015), (13, 4960775), (25, 2579603), (31, 2080325), (37, 1742975), (65, 992155), (155, 416065), (173, 372775), (185, 348595), (325, 198431), (403, 160025), (481, 134075), (775, 83213), (865, 74555), (925, 69719), (1147, 56225), (2015, 32005), (2249, 28675), (2405, 26815), (4325, 14911), (5363, 12025), (5735, 11245), (6401, 10075)]