388471408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1867651}}^1$

素因数の和:1867672

約数の個数: 20

約数和(自身を含む): 810560968

約数和(自身を除く): 422089560

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1867651, 3735302, 7470604, 14941208, 24279463, 29882416, 48558926, 97117852, 194235704, 388471408]

約数ペア:

[(1, 388471408), (2, 194235704), (4, 97117852), (8, 48558926), (13, 29882416), (16, 24279463), (26, 14941208), (52, 7470604), (104, 3735302), (208, 1867651)]