20171955979

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{307}}^1\times {\mathrm{25301}}^1$

素因数の和:25675

約数の個数: 24

約数和(自身を含む): 23986903248

約数和(自身を除く): 3814947269

約数列:

[1, 7, 49, 53, 307, 371, 2149, 2597, 15043, 16271, 25301, 113897, 177107, 797279, 1239749, 1340953, 7767407, 9386671, 54371849, 65706697, 380602943, 411672571, 2881707997, 20171955979]

約数ペア:

[(1, 20171955979), (7, 2881707997), (49, 411672571), (53, 380602943), (307, 65706697), (371, 54371849), (2149, 9386671), (2597, 7767407), (15043, 1340953), (16271, 1239749), (25301, 797279), (113897, 177107)]