401070878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{110977}}^1$

素因数の和:111131

約数の個数: 16

約数和(自身を含む): 652550640

約数和(自身を除く): 251479762

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 110977, 221954, 1442701, 2885402, 15425803, 30851606, 200535439, 401070878]

約数ペア:

[(1, 401070878), (2, 200535439), (13, 30851606), (26, 15425803), (139, 2885402), (278, 1442701), (1807, 221954), (3614, 110977)]