258565559

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{2293}}^1$

素因数の和:2570

約数の個数: 16

約数和(自身を含む): 300605760

約数和(自身を除く): 42040201

約数列:

[1, 7, 89, 181, 623, 1267, 2293, 16051, 16109, 112763, 204077, 415033, 1428539, 2905231, 36937937, 258565559]

約数ペア:

[(1, 258565559), (7, 36937937), (89, 2905231), (181, 1428539), (623, 415033), (1267, 204077), (2293, 112763), (16051, 16109)]