220145864

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{216679}}^1$

素因数の和:216812

約数の個数: 16

約数和(自身を含む): 416025600

約数和(自身を除く): 195879736

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 216679, 433358, 866716, 1733432, 27518233, 55036466, 110072932, 220145864]

約数ペア:

[(1, 220145864), (2, 110072932), (4, 55036466), (8, 27518233), (127, 1733432), (254, 866716), (508, 433358), (1016, 216679)]