81611390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{68581}}^1$

素因数の和:68612

約数の個数: 32

約数和(自身を含む): 177764544

約数和(自身を除く): 96153154

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 68581, 137162, 342905, 480067, 685810, 960134, 1165877, 2331754, 2400335, 4800670, 5829385, 8161139, 11658770, 16322278, 40805695, 81611390]

約数ペア:

[(1, 81611390), (2, 40805695), (5, 16322278), (7, 11658770), (10, 8161139), (14, 5829385), (17, 4800670), (34, 2400335), (35, 2331754), (70, 1165877), (85, 960134), (119, 685810), (170, 480067), (238, 342905), (595, 137162), (1190, 68581)]