28180248

素因数分解:

$2^3\times 3^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 72576000

約数和(自身を除く): 44395752

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 79, 89, 158, 167, 178, 237, 267, 316, 334, 356, 474, 501, 534, 632, 668, 712, 948, 1002, 1068, 1336, 1896, 2004, 2136, 4008, 7031, 13193, 14062, 14863, 21093, 26386, 28124, 29726, 39579, 42186, 44589, 52772, 56248, 59452, 79158, 84372, 89178, 105544, 118904, 158316, 168744, 178356, 316632, 356712, 1174177, 2348354, 3522531, 4696708, 7045062, 9393416, 14090124, 28180248]

約数ペア:

[(1, 28180248), (2, 14090124), (3, 9393416), (4, 7045062), (6, 4696708), (8, 3522531), (12, 2348354), (24, 1174177), (79, 356712), (89, 316632), (158, 178356), (167, 168744), (178, 158316), (237, 118904), (267, 105544), (316, 89178), (334, 84372), (356, 79158), (474, 59452), (501, 56248), (534, 52772), (632, 44589), (668, 42186), (712, 39579), (948, 29726), (1002, 28124), (1068, 26386), (1336, 21093), (1896, 14863), (2004, 14062), (2136, 13193), (4008, 7031)]