203497190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{3137}}^1$

素因数の和:3656

約数の個数: 32

約数和(自身を含む): 395388000

約数和(自身を除く): 191890810

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 499, 998, 2495, 3137, 4990, 6274, 6487, 12974, 15685, 31370, 32435, 40781, 64870, 81562, 203905, 407810, 1565363, 3130726, 7826815, 15653630, 20349719, 40699438, 101748595, 203497190]

約数ペア:

[(1, 203497190), (2, 101748595), (5, 40699438), (10, 20349719), (13, 15653630), (26, 7826815), (65, 3130726), (130, 1565363), (499, 407810), (998, 203905), (2495, 81562), (3137, 64870), (4990, 40781), (6274, 32435), (6487, 31370), (12974, 15685)]