328803410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{11987}}^1$

素因数の和:12218

約数の個数: 32

約数和(自身を含む): 640446912

約数和(自身を除く): 311643502

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 211, 422, 1055, 2110, 2743, 5486, 11987, 13715, 23974, 27430, 59935, 119870, 155831, 311662, 779155, 1558310, 2529257, 5058514, 12646285, 25292570, 32880341, 65760682, 164401705, 328803410]

約数ペア:

[(1, 328803410), (2, 164401705), (5, 65760682), (10, 32880341), (13, 25292570), (26, 12646285), (65, 5058514), (130, 2529257), (211, 1558310), (422, 779155), (1055, 311662), (2110, 155831), (2743, 119870), (5486, 59935), (11987, 27430), (13715, 23974)]