81387485

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{571}}^1\times {\mathrm{983}}^1$

素因数の和:1588

約数の個数: 16

約数和(自身を含む): 101312640

約数和(自身を除く): 19925155

約数列:

[1, 5, 29, 145, 571, 983, 2855, 4915, 16559, 28507, 82795, 142535, 561293, 2806465, 16277497, 81387485]

約数ペア:

[(1, 81387485), (5, 16277497), (29, 2806465), (145, 561293), (571, 142535), (983, 82795), (2855, 28507), (4915, 16559)]