127848890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{22871}}^1$

素因数の和:22934

約数の個数: 32

約数和(自身を含む): 253604736

約数和(自身を除く): 125755846

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 22871, 45742, 114355, 228710, 297323, 594646, 983453, 1486615, 1966906, 2973230, 4917265, 9834530, 12784889, 25569778, 63924445, 127848890]

約数ペア:

[(1, 127848890), (2, 63924445), (5, 25569778), (10, 12784889), (13, 9834530), (26, 4917265), (43, 2973230), (65, 1966906), (86, 1486615), (130, 983453), (215, 594646), (430, 297323), (559, 228710), (1118, 114355), (2795, 45742), (5590, 22871)]