81688112

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{464137}}^1$

素因数の和:464156

約数の個数: 20

約数和(自身を含む): 172659336

約数和(自身を除く): 90971224

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 464137, 928274, 1856548, 3713096, 5105507, 7426192, 10211014, 20422028, 40844056, 81688112]

約数ペア:

[(1, 81688112), (2, 40844056), (4, 20422028), (8, 10211014), (11, 7426192), (16, 5105507), (22, 3713096), (44, 1856548), (88, 928274), (176, 464137)]