42071408

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{18917}}^1$

素因数の和:19064

約数の個数: 20

約数和(自身を含む): 82104120

約数和(自身を除く): 40032712

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 18917, 37834, 75668, 151336, 302672, 2629463, 5258926, 10517852, 21035704, 42071408]

約数ペア:

[(1, 42071408), (2, 21035704), (4, 10517852), (8, 5258926), (16, 2629463), (139, 302672), (278, 151336), (556, 75668), (1112, 37834), (2224, 18917)]