66842225

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{349}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 85411200

約数和(自身を除く): 18568975

約数列:

[1, 5, 25, 47, 163, 235, 349, 815, 1175, 1745, 4075, 7661, 8725, 16403, 38305, 56887, 82015, 191525, 284435, 410075, 1422175, 2673689, 13368445, 66842225]

約数ペア:

[(1, 66842225), (5, 13368445), (25, 2673689), (47, 1422175), (163, 410075), (235, 284435), (349, 191525), (815, 82015), (1175, 56887), (1745, 38305), (4075, 16403), (7661, 8725)]