81391658

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1\times {\mathrm{2251}}^1$

素因数の和:2533

約数の個数: 16

約数和(自身を含む): 124040160

約数和(自身を除く): 42648502

約数列:

[1, 2, 101, 179, 202, 358, 2251, 4502, 18079, 36158, 227351, 402929, 454702, 805858, 40695829, 81391658]

約数ペア:

[(1, 81391658), (2, 40695829), (101, 805858), (179, 454702), (202, 402929), (358, 227351), (2251, 36158), (4502, 18079)]