28396222

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 48016800

約数和(自身を除く): 19620578

約数列:

[1, 2, 17, 19, 34, 38, 113, 226, 323, 389, 646, 778, 1921, 2147, 3842, 4294, 6613, 7391, 13226, 14782, 36499, 43957, 72998, 87914, 125647, 251294, 747269, 835183, 1494538, 1670366, 14198111, 28396222]

約数ペア:

[(1, 28396222), (2, 14198111), (17, 1670366), (19, 1494538), (34, 835183), (38, 747269), (113, 251294), (226, 125647), (323, 87914), (389, 72998), (646, 43957), (778, 36499), (1921, 14782), (2147, 13226), (3842, 7391), (4294, 6613)]