81562670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{16411}}^1$

素因数の和:16496

約数の個数: 32

約数和(自身を含む): 170159616

約数和(自身を除く): 88596946

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 16411, 32822, 82055, 114877, 164110, 229754, 574385, 1148770, 1165181, 2330362, 5825905, 8156267, 11651810, 16312534, 40781335, 81562670]

約数ペア:

[(1, 81562670), (2, 40781335), (5, 16312534), (7, 11651810), (10, 8156267), (14, 5825905), (35, 2330362), (70, 1165181), (71, 1148770), (142, 574385), (355, 229754), (497, 164110), (710, 114877), (994, 82055), (2485, 32822), (4970, 16411)]