83840705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 113073408

約数和(自身を除く): 29232703

約数列:

[1, 5, 13, 37, 65, 71, 185, 355, 481, 491, 923, 2405, 2455, 2627, 4615, 6383, 13135, 18167, 31915, 34151, 34861, 90835, 170755, 174305, 236171, 453193, 1180855, 1289857, 2265965, 6449285, 16768141, 83840705]

約数ペア:

[(1, 83840705), (5, 16768141), (13, 6449285), (37, 2265965), (65, 1289857), (71, 1180855), (185, 453193), (355, 236171), (481, 174305), (491, 170755), (923, 90835), (2405, 34861), (2455, 34151), (2627, 31915), (4615, 18167), (6383, 13135)]