212955845

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{317}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 274065120

約数和(自身を除く): 61109275

約数列:

[1, 5, 29, 41, 113, 145, 205, 317, 565, 1189, 1585, 3277, 4633, 5945, 9193, 12997, 16385, 23165, 35821, 45965, 64985, 134357, 179105, 376913, 671785, 1038809, 1468661, 1884565, 5194045, 7343305, 42591169, 212955845]

約数ペア:

[(1, 212955845), (5, 42591169), (29, 7343305), (41, 5194045), (113, 1884565), (145, 1468661), (205, 1038809), (317, 671785), (565, 376913), (1189, 179105), (1585, 134357), (3277, 64985), (4633, 45965), (5945, 35821), (9193, 23165), (12997, 16385)]