145210079

素因数分解:

$7^4\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:532

約数の個数: 20

約数和(自身を含む): 170816184

約数和(自身を除く): 25606105

約数列:

[1, 7, 49, 197, 307, 343, 1379, 2149, 2401, 9653, 15043, 60479, 67571, 105301, 423353, 472997, 737107, 2963471, 20744297, 145210079]

約数ペア:

[(1, 145210079), (7, 20744297), (49, 2963471), (197, 737107), (307, 472997), (343, 423353), (1379, 105301), (2149, 67571), (2401, 60479), (9653, 15043)]