145679888

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{222073}}^1$

素因数の和:222122

約数の個数: 20

約数和(自身を含む): 289140348

約数和(自身を除く): 143460460

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 222073, 444146, 888292, 1776584, 3553168, 9104993, 18209986, 36419972, 72839944, 145679888]

約数ペア:

[(1, 145679888), (2, 72839944), (4, 36419972), (8, 18209986), (16, 9104993), (41, 3553168), (82, 1776584), (164, 888292), (328, 444146), (656, 222073)]