165280702064

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{25256831}}^1$

素因数の和:25257248

約数の個数: 20

約数和(自身を含む): 321014334720

約数和(自身を除く): 155733632656

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 25256831, 50513662, 101027324, 202054648, 404109296, 10330043879, 20660087758, 41320175516, 82640351032, 165280702064]

約数ペア:

[(1, 165280702064), (2, 82640351032), (4, 41320175516), (8, 20660087758), (16, 10330043879), (409, 404109296), (818, 202054648), (1636, 101027324), (3272, 50513662), (6544, 25256831)]