2155479986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{970063}}^1$

素因数の和:970177

約数の個数: 16

約数和(自身を含む): 3562075008

約数和(自身を除く): 1406595022

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 970063, 1940126, 10670693, 21341386, 97976363, 195952726, 1077739993, 2155479986]

約数ペア:

[(1, 2155479986), (2, 1077739993), (11, 195952726), (22, 97976363), (101, 21341386), (202, 10670693), (1111, 1940126), (2222, 970063)]