990608

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{613}}^1$

素因数の和:722

約数の個数: 20

約数和(自身を含む): 1941468

約数和(自身を除く): 950860

約数列:

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

約数ペア:

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