1999996838404

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{72689}}^1\times {\mathrm{87071}}^1$

素因数の和:159843

約数の個数: 24

約数和(自身を含む): 3544387660800

約数和(自身を除く): 1544390822396

約数列:

[1, 2, 4, 79, 158, 316, 72689, 87071, 145378, 174142, 290756, 348284, 5742431, 6878609, 11484862, 13757218, 22969724, 27514436, 6329103919, 12658207838, 25316415676, 499999209601, 999998419202, 1999996838404]

約数ペア:

[(1, 1999996838404), (2, 999998419202), (4, 499999209601), (79, 25316415676), (158, 12658207838), (316, 6329103919), (72689, 27514436), (87071, 22969724), (145378, 13757218), (174142, 11484862), (290756, 6878609), (348284, 5742431)]