399991154

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1013}}^1\times {\mathrm{10391}}^1$

素因数の和:11425

約数の個数: 16

約数和(自身を含む): 632249280

約数和(自身を除く): 232258126

約数列:

[1, 2, 19, 38, 1013, 2026, 10391, 19247, 20782, 38494, 197429, 394858, 10526083, 21052166, 199995577, 399991154]

約数ペア:

[(1, 399991154), (2, 199995577), (19, 21052166), (38, 10526083), (1013, 394858), (2026, 197429), (10391, 38494), (19247, 20782)]