81186170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{624509}}^1$

素因数の和:624529

約数の個数: 16

約数和(自身を含む): 157376520

約数和(自身を除く): 76190350

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 624509, 1249018, 3122545, 6245090, 8118617, 16237234, 40593085, 81186170]

約数ペア:

[(1, 81186170), (2, 40593085), (5, 16237234), (10, 8118617), (13, 6245090), (26, 3122545), (65, 1249018), (130, 624509)]