661327328

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{261601}}^1$

素因数の和:261690

約数の個数: 24

約数和(自身を含む): 1318474080

約数和(自身を除く): 657146752

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 316, 632, 1264, 2528, 261601, 523202, 1046404, 2092808, 4185616, 8371232, 20666479, 41332958, 82665916, 165331832, 330663664, 661327328]

約数ペア:

[(1, 661327328), (2, 330663664), (4, 165331832), (8, 82665916), (16, 41332958), (32, 20666479), (79, 8371232), (158, 4185616), (316, 2092808), (632, 1046404), (1264, 523202), (2528, 261601)]