123388628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 241532928

約数和(自身を除く): 118144300

約数列:

[1, 2, 4, 11, 22, 44, 71, 127, 142, 254, 284, 311, 508, 622, 781, 1244, 1397, 1562, 2794, 3124, 3421, 5588, 6842, 9017, 13684, 18034, 22081, 36068, 39497, 44162, 78994, 88324, 99187, 157988, 198374, 242891, 396748, 434467, 485782, 868934, 971564, 1737868, 2804287, 5608574, 11217148, 30847157, 61694314, 123388628]

約数ペア:

[(1, 123388628), (2, 61694314), (4, 30847157), (11, 11217148), (22, 5608574), (44, 2804287), (71, 1737868), (127, 971564), (142, 868934), (254, 485782), (284, 434467), (311, 396748), (508, 242891), (622, 198374), (781, 157988), (1244, 99187), (1397, 88324), (1562, 78994), (2794, 44162), (3124, 39497), (3421, 36068), (5588, 22081), (6842, 18034), (9017, 13684)]