12857516

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 26906880

約数和(自身を除く): 14049364

約数列:

[1, 2, 4, 7, 14, 28, 43, 59, 86, 118, 172, 181, 236, 301, 362, 413, 602, 724, 826, 1204, 1267, 1652, 2534, 2537, 5068, 5074, 7783, 10148, 10679, 15566, 17759, 21358, 31132, 35518, 42716, 54481, 71036, 74753, 108962, 149506, 217924, 299012, 459197, 918394, 1836788, 3214379, 6428758, 12857516]

約数ペア:

[(1, 12857516), (2, 6428758), (4, 3214379), (7, 1836788), (14, 918394), (28, 459197), (43, 299012), (59, 217924), (86, 149506), (118, 108962), (172, 74753), (181, 71036), (236, 54481), (301, 42716), (362, 35518), (413, 31132), (602, 21358), (724, 17759), (826, 15566), (1204, 10679), (1267, 10148), (1652, 7783), (2534, 5074), (2537, 5068)]