131260978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{691}}^1$

素因数の和:898

約数の個数: 32

約数和(自身を含む): 215837568

約数和(自身を除く): 84576590

約数列:

[1, 2, 17, 34, 37, 74, 151, 302, 629, 691, 1258, 1382, 2567, 5134, 5587, 11174, 11747, 23494, 25567, 51134, 94979, 104341, 189958, 208682, 434639, 869278, 1773797, 3547594, 3860617, 7721234, 65630489, 131260978]

約数ペア:

[(1, 131260978), (2, 65630489), (17, 7721234), (34, 3860617), (37, 3547594), (74, 1773797), (151, 869278), (302, 434639), (629, 208682), (691, 189958), (1258, 104341), (1382, 94979), (2567, 51134), (5134, 25567), (5587, 23494), (11174, 11747)]