86861515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^2\times {\mathrm{131}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 114239664

約数和(自身を除く): 27378149

約数列:

[1, 5, 13, 65, 101, 131, 505, 655, 1313, 1703, 6565, 8515, 10201, 13231, 51005, 66155, 132613, 172003, 663065, 860015, 1336331, 6681655, 17372303, 86861515]

約数ペア:

[(1, 86861515), (5, 17372303), (13, 6681655), (65, 1336331), (101, 860015), (131, 663065), (505, 172003), (655, 132613), (1313, 66155), (1703, 51005), (6565, 13231), (8515, 10201)]