219028975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{2939}}^1$

素因数の和:3231

約数の個数: 24

約数和(自身を含む): 297480960

約数和(自身を除く): 78451985

約数列:

[1, 5, 11, 25, 55, 271, 275, 1355, 2939, 2981, 6775, 14695, 14905, 32329, 73475, 74525, 161645, 796469, 808225, 3982345, 8761159, 19911725, 43805795, 219028975]

約数ペア:

[(1, 219028975), (5, 43805795), (11, 19911725), (25, 8761159), (55, 3982345), (271, 808225), (275, 796469), (1355, 161645), (2939, 74525), (2981, 73475), (6775, 32329), (14695, 14905)]