157456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{757}}^1$

素因数の和:778

約数の個数: 20

約数和(自身を含む): 328972

約数和(自身を除く): 171516

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 757, 1514, 3028, 6056, 9841, 12112, 19682, 39364, 78728, 157456]

約数ペア:

[(1, 157456), (2, 78728), (4, 39364), (8, 19682), (13, 12112), (16, 9841), (26, 6056), (52, 3028), (104, 1514), (208, 757)]