2181813868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41957959}}^1$

素因数の和:41957976

約数の個数: 12

約数和(自身を含む): 4111880080

約数和(自身を除く): 1930066212

約数列:

[1, 2, 4, 13, 26, 52, 41957959, 83915918, 167831836, 545453467, 1090906934, 2181813868]

約数ペア:

[(1, 2181813868), (2, 1090906934), (4, 545453467), (13, 167831836), (26, 83915918), (52, 41957959)]