1398109685

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1\times {\mathrm{1997}}^1$

素因数の和:2333

約数の個数: 32

約数和(自身を含む): 1949536512

約数和(自身を除く): 551426827

約数列:

[1, 5, 7, 35, 83, 241, 415, 581, 1205, 1687, 1997, 2905, 8435, 9985, 13979, 20003, 69895, 100015, 140021, 165751, 481277, 700105, 828755, 1160257, 2406385, 3368939, 5801285, 16844695, 39945991, 199729955, 279621937, 1398109685]

約数ペア:

[(1, 1398109685), (5, 279621937), (7, 199729955), (35, 39945991), (83, 16844695), (241, 5801285), (415, 3368939), (581, 2406385), (1205, 1160257), (1687, 828755), (1997, 700105), (2905, 481277), (8435, 165751), (9985, 140021), (13979, 100015), (20003, 69895)]