261502018

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{941}}^1\times {\mathrm{3389}}^1$

素因数の和:4373

約数の個数: 16

約数和(自身を含む): 402365880

約数和(自身を除く): 140863862

約数列:

[1, 2, 41, 82, 941, 1882, 3389, 6778, 38581, 77162, 138949, 277898, 3189049, 6378098, 130751009, 261502018]

約数ペア:

[(1, 261502018), (2, 130751009), (41, 6378098), (82, 3189049), (941, 277898), (1882, 138949), (3389, 77162), (6778, 38581)]