399167998

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{108293}}^1$

素因数の和:108411

約数の個数: 16

約数和(自身を含む): 636768720

約数和(自身を除く): 237600722

約数列:

[1, 2, 19, 38, 97, 194, 1843, 3686, 108293, 216586, 2057567, 4115134, 10504421, 21008842, 199583999, 399167998]

約数ペア:

[(1, 399167998), (2, 199583999), (19, 21008842), (38, 10504421), (97, 4115134), (194, 2057567), (1843, 216586), (3686, 108293)]