256932490

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{325231}}^1$

素因数の和:325317

約数の個数: 16

約数和(自身を含む): 468334080

約数和(自身を除く): 211401590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 325231, 650462, 1626155, 3252310, 25693249, 51386498, 128466245, 256932490]

約数ペア:

[(1, 256932490), (2, 128466245), (5, 51386498), (10, 25693249), (79, 3252310), (158, 1626155), (395, 650462), (790, 325231)]