28590224

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137453}}^1$

素因数の和:137474

約数の個数: 20

約数和(自身を含む): 59655036

約数和(自身を除く): 31064812

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 137453, 274906, 549812, 1099624, 1786889, 2199248, 3573778, 7147556, 14295112, 28590224]

約数ペア:

[(1, 28590224), (2, 14295112), (4, 7147556), (8, 3573778), (13, 2199248), (16, 1786889), (26, 1099624), (52, 549812), (104, 274906), (208, 137453)]