258321265

素因数分解:

$5^1\times {\mathrm{271}}^1\times {\mathrm{311}}^1\times {\mathrm{613}}^1$

素因数の和:1200

約数の個数: 16

約数和(自身を含む): 312638976

約数和(自身を除く): 54317711

約数列:

[1, 5, 271, 311, 613, 1355, 1555, 3065, 84281, 166123, 190643, 421405, 830615, 953215, 51664253, 258321265]

約数ペア:

[(1, 258321265), (5, 51664253), (271, 953215), (311, 830615), (613, 421405), (1355, 190643), (1555, 166123), (3065, 84281)]