83990540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{247031}}^1$

素因数の和:247057

約数の個数: 24

約数和(自身を含む): 186756192

約数和(自身を除く): 102765652

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 247031, 494062, 988124, 1235155, 2470310, 4199527, 4940620, 8399054, 16798108, 20997635, 41995270, 83990540]

約数ペア:

[(1, 83990540), (2, 41995270), (4, 20997635), (5, 16798108), (10, 8399054), (17, 4940620), (20, 4199527), (34, 2470310), (68, 1235155), (85, 988124), (170, 494062), (340, 247031)]