51729808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{248701}}^1$

素因数の和:248722

約数の個数: 20

約数和(自身を含む): 107936668

約数和(自身を除く): 56206860

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 248701, 497402, 994804, 1989608, 3233113, 3979216, 6466226, 12932452, 25864904, 51729808]

約数ペア:

[(1, 51729808), (2, 25864904), (4, 12932452), (8, 6466226), (13, 3979216), (16, 3233113), (26, 1989608), (52, 994804), (104, 497402), (208, 248701)]