128790228

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{219031}}^1$

素因数の和:219052

約数の個数: 36

約数和(自身を含む): 349575072

約数和(自身を除く): 220784844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 219031, 438062, 657093, 876124, 1314186, 1533217, 2628372, 3066434, 4599651, 6132868, 9199302, 10732519, 18398604, 21465038, 32197557, 42930076, 64395114, 128790228]

約数ペア:

[(1, 128790228), (2, 64395114), (3, 42930076), (4, 32197557), (6, 21465038), (7, 18398604), (12, 10732519), (14, 9199302), (21, 6132868), (28, 4599651), (42, 3066434), (49, 2628372), (84, 1533217), (98, 1314186), (147, 876124), (196, 657093), (294, 438062), (588, 219031)]