15663968

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{11939}}^1$

素因数の和:11990

約数の個数: 24

約数和(自身を含む): 31593240

約数和(自身を除く): 15929272

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 11939, 23878, 47756, 95512, 191024, 382048, 489499, 978998, 1957996, 3915992, 7831984, 15663968]

約数ペア:

[(1, 15663968), (2, 7831984), (4, 3915992), (8, 1957996), (16, 978998), (32, 489499), (41, 382048), (82, 191024), (164, 95512), (328, 47756), (656, 23878), (1312, 11939)]