12866425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 19373760

約数和(自身を除く): 6507335

約数列:

[1, 5, 11, 13, 25, 55, 59, 61, 65, 143, 275, 295, 305, 325, 649, 671, 715, 767, 793, 1475, 1525, 3245, 3355, 3575, 3599, 3835, 3965, 8437, 8723, 16225, 16775, 17995, 19175, 19825, 39589, 42185, 43615, 46787, 89975, 197945, 210925, 218075, 233935, 514657, 989725, 1169675, 2573285, 12866425]

約数ペア:

[(1, 12866425), (5, 2573285), (11, 1169675), (13, 989725), (25, 514657), (55, 233935), (59, 218075), (61, 210925), (65, 197945), (143, 89975), (275, 46787), (295, 43615), (305, 42185), (325, 39589), (649, 19825), (671, 19175), (715, 17995), (767, 16775), (793, 16225), (1475, 8723), (1525, 8437), (3245, 3965), (3355, 3835), (3575, 3599)]