78941998

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{4231}}^1$

素因数の和:4743

約数の個数: 16

約数和(自身を含む): 124928640

約数和(自身を除く): 45986642

約数列:

[1, 2, 19, 38, 491, 982, 4231, 8462, 9329, 18658, 80389, 160778, 2077421, 4154842, 39470999, 78941998]

約数ペア:

[(1, 78941998), (2, 39470999), (19, 4154842), (38, 2077421), (491, 160778), (982, 80389), (4231, 18658), (8462, 9329)]