8639128

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 17312400

約数和(自身を除く): 8673272

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139, 278, 457, 556, 914, 1112, 1828, 2363, 3656, 4726, 7769, 9452, 15538, 18904, 31076, 62152, 63523, 127046, 254092, 508184, 1079891, 2159782, 4319564, 8639128]

約数ペア:

[(1, 8639128), (2, 4319564), (4, 2159782), (8, 1079891), (17, 508184), (34, 254092), (68, 127046), (136, 63523), (139, 62152), (278, 31076), (457, 18904), (556, 15538), (914, 9452), (1112, 7769), (1828, 4726), (2363, 3656)]