311998492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{1433}}^1$

素因数の和:1582

約数の個数: 48

約数和(自身を含む): 607098240

約数和(自身を除く): 295099748

約数列:

[1, 2, 4, 13, 26, 52, 53, 79, 106, 158, 212, 316, 689, 1027, 1378, 1433, 2054, 2756, 2866, 4108, 4187, 5732, 8374, 16748, 18629, 37258, 54431, 74516, 75949, 108862, 113207, 151898, 217724, 226414, 303796, 452828, 987337, 1471691, 1974674, 2943382, 3949348, 5886764, 5999971, 11999942, 23999884, 77999623, 155999246, 311998492]

約数ペア:

[(1, 311998492), (2, 155999246), (4, 77999623), (13, 23999884), (26, 11999942), (52, 5999971), (53, 5886764), (79, 3949348), (106, 2943382), (158, 1974674), (212, 1471691), (316, 987337), (689, 452828), (1027, 303796), (1378, 226414), (1433, 217724), (2054, 151898), (2756, 113207), (2866, 108862), (4108, 75949), (4187, 74516), (5732, 54431), (8374, 37258), (16748, 18629)]