212871745

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1\times {\mathrm{2221}}^1$

素因数の和:2916

約数の個数: 16

約数和(自身を含む): 264773520

約数和(自身を除く): 51901775

約数列:

[1, 5, 29, 145, 661, 2221, 3305, 11105, 19169, 64409, 95845, 322045, 1468081, 7340405, 42574349, 212871745]

約数ペア:

[(1, 212871745), (5, 42574349), (29, 7340405), (145, 1468081), (661, 322045), (2221, 95845), (3305, 64409), (11105, 19169)]