28187564

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{21817}}^1$

素因数の和:21857

約数の個数: 24

約数和(自身を含む): 54981360

約数和(自身を除く): 26793796

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 21817, 43634, 87268, 370889, 414523, 741778, 829046, 1483556, 1658092, 7046891, 14093782, 28187564]

約数ペア:

[(1, 28187564), (2, 14093782), (4, 7046891), (17, 1658092), (19, 1483556), (34, 829046), (38, 741778), (68, 414523), (76, 370889), (323, 87268), (646, 43634), (1292, 21817)]