66921808

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{134923}}^1$

素因数の和:134962

約数の個数: 20

約数和(自身を含む): 133844608

約数和(自身を除く): 66922800

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 134923, 269846, 539692, 1079384, 2158768, 4182613, 8365226, 16730452, 33460904, 66921808]

約数ペア:

[(1, 66921808), (2, 33460904), (4, 16730452), (8, 8365226), (16, 4182613), (31, 2158768), (62, 1079384), (124, 539692), (248, 269846), (496, 134923)]