397852016

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{802121}}^1$

素因数の和:802160

約数の個数: 20

約数和(自身を含む): 795705024

約数和(自身を除く): 397853008

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 802121, 1604242, 3208484, 6416968, 12833936, 24865751, 49731502, 99463004, 198926008, 397852016]

約数ペア:

[(1, 397852016), (2, 198926008), (4, 99463004), (8, 49731502), (16, 24865751), (31, 12833936), (62, 6416968), (124, 3208484), (248, 1604242), (496, 802121)]