1981216

素因数分解:

$2^5\times {\mathrm{101}}^1\times {\mathrm{613}}^1$

素因数の和:724

約数の個数: 24

約数和(自身を含む): 3945564

約数和(自身を除く): 1964348

約数列:

[1, 2, 4, 8, 16, 32, 101, 202, 404, 613, 808, 1226, 1616, 2452, 3232, 4904, 9808, 19616, 61913, 123826, 247652, 495304, 990608, 1981216]

約数ペア:

[(1, 1981216), (2, 990608), (4, 495304), (8, 247652), (16, 123826), (32, 61913), (101, 19616), (202, 9808), (404, 4904), (613, 3232), (808, 2452), (1226, 1616)]