398875047949

素因数分解:

$7^2\times {\mathrm{193}}^1\times {\mathrm{5641}}^1\times {\mathrm{7477}}^1$

素因数の和:13325

約数の個数: 24

約数和(自身を含む): 466546706808

約数和(自身を除く): 67671658859

約数列:

[1, 7, 49, 193, 1351, 5641, 7477, 9457, 39487, 52339, 276409, 366373, 1088713, 1443061, 7620991, 10101427, 42177757, 53346937, 70709989, 295244299, 2066710093, 8140307101, 56982149707, 398875047949]

約数ペア:

[(1, 398875047949), (7, 56982149707), (49, 8140307101), (193, 2066710093), (1351, 295244299), (5641, 70709989), (7477, 53346937), (9457, 42177757), (39487, 10101427), (52339, 7620991), (276409, 1443061), (366373, 1088713)]