81489687508

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{181}}^1\times {\mathrm{1032613}}^1$

素因数の和:1032907

約数の個数: 24

約数和(自身を含む): 144710525960

約数和(自身を除く): 63220838452

約数列:

[1, 2, 4, 109, 181, 218, 362, 436, 724, 19729, 39458, 78916, 1032613, 2065226, 4130452, 112554817, 186902953, 225109634, 373805906, 450219268, 747611812, 20372421877, 40744843754, 81489687508]

約数ペア:

[(1, 81489687508), (2, 40744843754), (4, 20372421877), (109, 747611812), (181, 450219268), (218, 373805906), (362, 225109634), (436, 186902953), (724, 112554817), (19729, 4130452), (39458, 2065226), (78916, 1032613)]