538993345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{739}}^1$

素因数の和:993

約数の個数: 32

約数和(自身を含む): 719280000

約数和(自身を除く): 180286655

約数列:

[1, 5, 11, 55, 89, 149, 445, 739, 745, 979, 1639, 3695, 4895, 8129, 8195, 13261, 40645, 65771, 66305, 110111, 145871, 328855, 550555, 723481, 729355, 1211221, 3617405, 6056105, 9799879, 48999395, 107798669, 538993345]

約数ペア:

[(1, 538993345), (5, 107798669), (11, 48999395), (55, 9799879), (89, 6056105), (149, 3617405), (445, 1211221), (739, 729355), (745, 723481), (979, 550555), (1639, 328855), (3695, 145871), (4895, 110111), (8129, 66305), (8195, 65771), (13261, 40645)]