30581978

素因数分解:

$2^1\times 7^2\times {\mathrm{313}}^1\times {\mathrm{997}}^1$

素因数の和:1326

約数の個数: 24

約数和(自身を含む): 53586612

約数和(自身を除く): 23004634

約数列:

[1, 2, 7, 14, 49, 98, 313, 626, 997, 1994, 2191, 4382, 6979, 13958, 15337, 30674, 48853, 97706, 312061, 624122, 2184427, 4368854, 15290989, 30581978]

約数ペア:

[(1, 30581978), (2, 15290989), (7, 4368854), (14, 2184427), (49, 624122), (98, 312061), (313, 97706), (626, 48853), (997, 30674), (1994, 15337), (2191, 13958), (4382, 6979)]