668264451428

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1993}}^1\times {\mathrm{386297}}^1$

素因数の和:388332

約数の個数: 48

約数和(自身を含む): 1380338555904

約数和(自身を除く): 712074104476

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 1993, 3986, 7972, 13951, 27902, 55804, 61783, 123566, 247132, 386297, 432481, 772594, 864962, 1545188, 1729924, 2704079, 5408158, 10816316, 11975207, 23950414, 47900828, 83826449, 167652898, 335305796, 769889921, 1539779842, 3079559684, 5389229447, 10778458894, 21556917788, 23866587551, 47733175102, 95466350204, 167066112857, 334132225714, 668264451428]

約数ペア:

[(1, 668264451428), (2, 334132225714), (4, 167066112857), (7, 95466350204), (14, 47733175102), (28, 23866587551), (31, 21556917788), (62, 10778458894), (124, 5389229447), (217, 3079559684), (434, 1539779842), (868, 769889921), (1993, 335305796), (3986, 167652898), (7972, 83826449), (13951, 47900828), (27902, 23950414), (55804, 11975207), (61783, 10816316), (123566, 5408158), (247132, 2704079), (386297, 1729924), (432481, 1545188), (772594, 864962)]