219049400975

素因数分解:

$5^2\times {\mathrm{2221}}^1\times {\mathrm{3945059}}^1$

素因数の和:3947290

約数の個数: 12

約数和(自身を含む): 271743622920

約数和(自身を除く): 52694221945

約数列:

[1, 5, 25, 2221, 11105, 55525, 3945059, 19725295, 98626475, 8761976039, 43809880195, 219049400975]

約数ペア:

[(1, 219049400975), (5, 43809880195), (25, 8761976039), (2221, 98626475), (11105, 19725295), (55525, 3945059)]