66749725

素因数分解:

$5^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1997}}^1$

素因数の和:2205

約数の個数: 24

約数和(自身を含む): 95136768

約数和(自身を除く): 28387043

約数列:

[1, 5, 7, 25, 35, 175, 191, 955, 1337, 1997, 4775, 6685, 9985, 13979, 33425, 49925, 69895, 349475, 381427, 1907135, 2669989, 9535675, 13349945, 66749725]

約数ペア:

[(1, 66749725), (5, 13349945), (7, 9535675), (25, 2669989), (35, 1907135), (175, 381427), (191, 349475), (955, 69895), (1337, 49925), (1997, 33425), (4775, 13979), (6685, 9985)]