31311268

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{281}}^1\times {\mathrm{313}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 55785240

約数和(自身を除く): 24473972

約数列:

[1, 2, 4, 89, 178, 281, 313, 356, 562, 626, 1124, 1252, 25009, 27857, 50018, 55714, 87953, 100036, 111428, 175906, 351812, 7827817, 15655634, 31311268]

約数ペア:

[(1, 31311268), (2, 15655634), (4, 7827817), (89, 351812), (178, 175906), (281, 111428), (313, 100036), (356, 87953), (562, 55714), (626, 50018), (1124, 27857), (1252, 25009)]