1688631265

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 2095632000

約数和(自身を除く): 407000735

約数列:

[1, 5, 83, 89, 131, 349, 415, 445, 655, 1745, 7387, 10873, 11659, 28967, 31061, 36935, 45719, 54365, 58295, 144835, 155305, 228595, 967697, 2578063, 3794677, 4068991, 4838485, 12890315, 18973385, 20344955, 337726253, 1688631265]

約数ペア:

[(1, 1688631265), (5, 337726253), (83, 20344955), (89, 18973385), (131, 12890315), (349, 4838485), (415, 4068991), (445, 3794677), (655, 2578063), (1745, 967697), (7387, 228595), (10873, 155305), (11659, 144835), (28967, 58295), (31061, 54365), (36935, 45719)]