12865264

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{4933}}^1$

素因数の和:5104

約数の個数: 20

約数和(自身を含む): 25084456

約数和(自身を除く): 12219192

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 4933, 9866, 19732, 39464, 78928, 804079, 1608158, 3216316, 6432632, 12865264]

約数ペア:

[(1, 12865264), (2, 6432632), (4, 3216316), (8, 1608158), (16, 804079), (163, 78928), (326, 39464), (652, 19732), (1304, 9866), (2608, 4933)]