15415990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^2$

素因数の和:484

約数の個数: 24

約数和(自身を含む): 28772928

約数和(自身を除く): 13356938

約数列:

[1, 2, 5, 10, 31, 62, 155, 223, 310, 446, 1115, 2230, 6913, 13826, 34565, 49729, 69130, 99458, 248645, 497290, 1541599, 3083198, 7707995, 15415990]

約数ペア:

[(1, 15415990), (2, 7707995), (5, 3083198), (10, 1541599), (31, 497290), (62, 248645), (155, 99458), (223, 69130), (310, 49729), (446, 34565), (1115, 13826), (2230, 6913)]