556556975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 768700800

約数和(自身を除く): 212143825

約数列:

[1, 5, 13, 25, 53, 65, 79, 265, 325, 395, 409, 689, 1027, 1325, 1975, 2045, 3445, 4187, 5135, 5317, 10225, 17225, 20935, 21677, 25675, 26585, 32311, 54431, 104675, 108385, 132925, 161555, 272155, 281801, 420043, 541925, 807775, 1360775, 1409005, 1712483, 2100215, 7045025, 8562415, 10501075, 22262279, 42812075, 111311395, 556556975]

約数ペア:

[(1, 556556975), (5, 111311395), (13, 42812075), (25, 22262279), (53, 10501075), (65, 8562415), (79, 7045025), (265, 2100215), (325, 1712483), (395, 1409005), (409, 1360775), (689, 807775), (1027, 541925), (1325, 420043), (1975, 281801), (2045, 272155), (3445, 161555), (4187, 132925), (5135, 108385), (5317, 104675), (10225, 54431), (17225, 32311), (20935, 26585), (21677, 25675)]