258727679

素因数分解:

$7^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1\times {\mathrm{593}}^1$

素因数の和:1154

約数の個数: 16

約数和(自身を含む): 298824768

約数和(自身を除く): 40097089

約数列:

[1, 7, 157, 397, 593, 1099, 2779, 4151, 62329, 93101, 235421, 436303, 651707, 1647947, 36961097, 258727679]

約数ペア:

[(1, 258727679), (7, 36961097), (157, 1647947), (397, 651707), (593, 436303), (1099, 235421), (2779, 93101), (4151, 62329)]