1157989

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:324

約数の個数: 16

約数和(自身を含む): 1444608

約数和(自身を除く): 286619

約数列:

[1, 7, 17, 37, 119, 259, 263, 629, 1841, 4403, 4471, 9731, 31297, 68117, 165427, 1157989]

約数ペア:

[(1, 1157989), (7, 165427), (17, 68117), (37, 31297), (119, 9731), (259, 4471), (263, 4403), (629, 1841)]