71716897

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 90139392

約数和(自身を除く): 18422495

約数列:

[1, 7, 17, 53, 83, 119, 137, 371, 581, 901, 959, 1411, 2329, 4399, 6307, 7261, 9877, 11371, 16303, 30793, 50827, 74783, 79597, 123437, 193307, 523481, 602663, 864059, 1353149, 4218641, 10245271, 71716897]

約数ペア:

[(1, 71716897), (7, 10245271), (17, 4218641), (53, 1353149), (83, 864059), (119, 602663), (137, 523481), (371, 193307), (581, 123437), (901, 79597), (959, 74783), (1411, 50827), (2329, 30793), (4399, 16303), (6307, 11371), (7261, 9877)]