28491632

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{136979}}^1$

素因数の和:137000

約数の個数: 20

約数和(自身を含む): 59449320

約数和(自身を除く): 30957688

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 136979, 273958, 547916, 1095832, 1780727, 2191664, 3561454, 7122908, 14245816, 28491632]

約数ペア:

[(1, 28491632), (2, 14245816), (4, 7122908), (8, 3561454), (13, 2191664), (16, 1780727), (26, 1095832), (52, 547916), (104, 273958), (208, 136979)]