39881602

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{3499}}^1$

素因数の和:3681

約数の個数: 16

約数和(自身を含む): 61740000

約数和(自身を除く): 21858398

約数列:

[1, 2, 41, 82, 139, 278, 3499, 5699, 6998, 11398, 143459, 286918, 486361, 972722, 19940801, 39881602]

約数ペア:

[(1, 39881602), (2, 19940801), (41, 972722), (82, 486361), (139, 286918), (278, 143459), (3499, 11398), (5699, 6998)]