81730747

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{7717}}^1$

素因数の和:7830

約数の個数: 16

約数和(自身を含む): 100025280

約数和(自身を除く): 18294533

約数列:

[1, 7, 17, 89, 119, 623, 1513, 7717, 10591, 54019, 131189, 686813, 918323, 4807691, 11675821, 81730747]

約数ペア:

[(1, 81730747), (7, 11675821), (17, 4807691), (89, 918323), (119, 686813), (623, 131189), (1513, 54019), (7717, 10591)]