215280406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{30869}}^1$

素因数の和:31199

約数の個数: 16

約数和(自身を含む): 353399760

約数和(自身を除く): 138119354

約数列:

[1, 2, 11, 22, 317, 634, 3487, 6974, 30869, 61738, 339559, 679118, 9785473, 19570946, 107640203, 215280406]

約数ペア:

[(1, 215280406), (2, 107640203), (11, 19570946), (22, 9785473), (317, 679118), (634, 339559), (3487, 61738), (6974, 30869)]