28651664

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{105337}}^1$

素因数の和:105362

約数の個数: 20

約数和(自身を含む): 58778604

約数和(自身を除く): 30126940

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 105337, 210674, 421348, 842696, 1685392, 1790729, 3581458, 7162916, 14325832, 28651664]

約数ペア:

[(1, 28651664), (2, 14325832), (4, 7162916), (8, 3581458), (16, 1790729), (17, 1685392), (34, 842696), (68, 421348), (136, 210674), (272, 105337)]