81386724970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{2003119}}^1$

素因数の和:2003382

約数の個数: 32

約数和(自身を含む): 155762611200

約数和(自身を除く): 74375886230

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 239, 478, 1195, 2390, 4063, 8126, 20315, 40630, 2003119, 4006238, 10015595, 20031190, 34053023, 68106046, 170265115, 340530230, 478745441, 957490882, 2393727205, 4787454410, 8138672497, 16277344994, 40693362485, 81386724970]

約数ペア:

[(1, 81386724970), (2, 40693362485), (5, 16277344994), (10, 8138672497), (17, 4787454410), (34, 2393727205), (85, 957490882), (170, 478745441), (239, 340530230), (478, 170265115), (1195, 68106046), (2390, 34053023), (4063, 20031190), (8126, 10015595), (20315, 4006238), (40630, 2003119)]