81271312

素因数分解:

$2^4\times {\mathrm{1229}}^1\times {\mathrm{4133}}^1$

素因数の和:5370

約数の個数: 20

約数和(自身を含む): 157629420

約数和(自身を除く): 76358108

約数列:

[1, 2, 4, 8, 16, 1229, 2458, 4133, 4916, 8266, 9832, 16532, 19664, 33064, 66128, 5079457, 10158914, 20317828, 40635656, 81271312]

約数ペア:

[(1, 81271312), (2, 40635656), (4, 20317828), (8, 10158914), (16, 5079457), (1229, 66128), (2458, 33064), (4133, 19664), (4916, 16532), (8266, 9832)]