660657478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{54881}}^1$

素因数の和:55359

約数の個数: 16

約数和(自身を含む): 1069540416

約数和(自身を除く): 408882938

約数列:

[1, 2, 13, 26, 463, 926, 6019, 12038, 54881, 109762, 713453, 1426906, 25409903, 50819806, 330328739, 660657478]

約数ペア:

[(1, 660657478), (2, 330328739), (13, 50819806), (26, 25409903), (463, 1426906), (926, 713453), (6019, 109762), (12038, 54881)]