81686590

素因数分解:

$2^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{35671}}^1$

素因数の和:35907

約数の個数: 16

約数和(自身を含む): 147682080

約数和(自身を除く): 65995490

約数列:

[1, 2, 5, 10, 229, 458, 1145, 2290, 35671, 71342, 178355, 356710, 8168659, 16337318, 40843295, 81686590]

約数ペア:

[(1, 81686590), (2, 40843295), (5, 16337318), (10, 8168659), (229, 356710), (458, 178355), (1145, 71342), (2290, 35671)]