39957866

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 66624768

約数和(自身を除く): 26666902

約数列:

[1, 2, 13, 26, 53, 106, 107, 214, 271, 542, 689, 1378, 1391, 2782, 3523, 5671, 7046, 11342, 14363, 28726, 28997, 57994, 73723, 147446, 186719, 373438, 376961, 753922, 1536841, 3073682, 19978933, 39957866]

約数ペア:

[(1, 39957866), (2, 19978933), (13, 3073682), (26, 1536841), (53, 753922), (106, 376961), (107, 373438), (214, 186719), (271, 147446), (542, 73723), (689, 57994), (1378, 28997), (1391, 28726), (2782, 14363), (3523, 11342), (5671, 7046)]