855107632

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{1242889}}^1$

素因数の和:1242940

約数の個数: 20

約数和(自身を含む): 1695301960

約数和(自身を除く): 840194328

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 1242889, 2485778, 4971556, 9943112, 19886224, 53444227, 106888454, 213776908, 427553816, 855107632]

約数ペア:

[(1, 855107632), (2, 427553816), (4, 213776908), (8, 106888454), (16, 53444227), (43, 19886224), (86, 9943112), (172, 4971556), (344, 2485778), (688, 1242889)]