2390878819

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{1433}}^1$

素因数の和:1747

約数の個数: 32

約数和(自身を含む): 2931692544

約数和(自身を除く): 540813725

約数列:

[1, 7, 23, 43, 161, 241, 301, 989, 1433, 1687, 5543, 6923, 10031, 10363, 32959, 38801, 61619, 72541, 230713, 238349, 345353, 431333, 1417237, 1668443, 2417471, 7943119, 9920659, 14850179, 55601833, 103951253, 341554117, 2390878819]

約数ペア:

[(1, 2390878819), (7, 341554117), (23, 103951253), (43, 55601833), (161, 14850179), (241, 9920659), (301, 7943119), (989, 2417471), (1433, 1668443), (1687, 1417237), (5543, 431333), (6923, 345353), (10031, 238349), (10363, 230713), (32959, 72541), (38801, 61619)]