253555665

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2609}}^1$

素因数の和:2678

約数の個数: 64

約数和(自身を含む): 481075200

約数和(自身を除く): 227519535

約数列:

[1, 3, 5, 11, 15, 19, 31, 33, 55, 57, 93, 95, 155, 165, 209, 285, 341, 465, 589, 627, 1023, 1045, 1705, 1767, 2609, 2945, 3135, 5115, 6479, 7827, 8835, 13045, 19437, 28699, 32395, 39135, 49571, 80879, 86097, 97185, 143495, 148713, 242637, 247855, 404395, 430485, 545281, 743565, 889669, 1213185, 1536701, 1635843, 2669007, 2726405, 4448345, 4610103, 7683505, 8179215, 13345035, 16903711, 23050515, 50711133, 84518555, 253555665]

約数ペア:

[(1, 253555665), (3, 84518555), (5, 50711133), (11, 23050515), (15, 16903711), (19, 13345035), (31, 8179215), (33, 7683505), (55, 4610103), (57, 4448345), (93, 2726405), (95, 2669007), (155, 1635843), (165, 1536701), (209, 1213185), (285, 889669), (341, 743565), (465, 545281), (589, 430485), (627, 404395), (1023, 247855), (1045, 242637), (1705, 148713), (1767, 143495), (2609, 97185), (2945, 86097), (3135, 80879), (5115, 49571), (6479, 39135), (7827, 32395), (8835, 28699), (13045, 19437)]