39966518

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{1987}}^1$

素因数の和:2191

約数の個数: 16

約数和(自身を含む): 61190640

約数和(自身を除く): 21224122

約数列:

[1, 2, 89, 113, 178, 226, 1987, 3974, 10057, 20114, 176843, 224531, 353686, 449062, 19983259, 39966518]

約数ペア:

[(1, 39966518), (2, 19983259), (89, 449062), (113, 353686), (178, 224531), (226, 176843), (1987, 20114), (3974, 10057)]