221542864

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{3517}}^1$

素因数の和:3683

約数の個数: 40

約数和(自身を含む): 446701568

約数和(自身を除く): 225158704

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 127, 248, 254, 496, 508, 1016, 2032, 3517, 3937, 7034, 7874, 14068, 15748, 28136, 31496, 56272, 62992, 109027, 218054, 436108, 446659, 872216, 893318, 1744432, 1786636, 3573272, 7146544, 13846429, 27692858, 55385716, 110771432, 221542864]

約数ペア:

[(1, 221542864), (2, 110771432), (4, 55385716), (8, 27692858), (16, 13846429), (31, 7146544), (62, 3573272), (124, 1786636), (127, 1744432), (248, 893318), (254, 872216), (496, 446659), (508, 436108), (1016, 218054), (2032, 109027), (3517, 62992), (3937, 56272), (7034, 31496), (7874, 28136), (14068, 15748)]