1628999905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{611257}}^1$

素因数の和:611316

約数の個数: 16

約数和(自身を含む): 2156518224

約数和(自身を除く): 527518319

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 611257, 3056285, 7946341, 25061537, 39731705, 125307685, 325799981, 1628999905]

約数ペア:

[(1, 1628999905), (5, 325799981), (13, 125307685), (41, 39731705), (65, 25061537), (205, 7946341), (533, 3056285), (2665, 611257)]