15981992

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{11821}}^1$

素因数の和:11853

約数の個数: 24

約数和(自身を含む): 32451390

約数和(自身を除く): 16469398

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 11821, 23642, 47284, 94568, 153673, 307346, 614692, 1229384, 1997749, 3995498, 7990996, 15981992]

約数ペア:

[(1, 15981992), (2, 7990996), (4, 3995498), (8, 1997749), (13, 1229384), (26, 614692), (52, 307346), (104, 153673), (169, 94568), (338, 47284), (676, 23642), (1352, 11821)]