245340697

素因数分解:

$7^3\times {\mathrm{421}}^1\times {\mathrm{1699}}^1$

素因数の和:2141

約数の個数: 16

約数和(自身を含む): 286960000

約数和(自身を除く): 41619303

約数列:

[1, 7, 49, 343, 421, 1699, 2947, 11893, 20629, 83251, 144403, 582757, 715279, 5006953, 35048671, 245340697]

約数ペア:

[(1, 245340697), (7, 35048671), (49, 5006953), (343, 715279), (421, 582757), (1699, 144403), (2947, 83251), (11893, 20629)]