81560262

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{7219}}^1$

素因数の和:7500

約数の個数: 32

約数和(自身を含む): 187142400

約数和(自身を除く): 105582138

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 269, 538, 807, 1614, 1883, 3766, 5649, 7219, 11298, 14438, 21657, 43314, 50533, 101066, 151599, 303198, 1941911, 3883822, 5825733, 11651466, 13593377, 27186754, 40780131, 81560262]

約数ペア:

[(1, 81560262), (2, 40780131), (3, 27186754), (6, 13593377), (7, 11651466), (14, 5825733), (21, 3883822), (42, 1941911), (269, 303198), (538, 151599), (807, 101066), (1614, 50533), (1883, 43314), (3766, 21657), (5649, 14438), (7219, 11298)]