213501990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{547441}}^1$

素因数の和:547464

約数の個数: 32

約数和(自身を含む): 551821536

約数和(自身を除く): 338319546

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 547441, 1094882, 1642323, 2737205, 3284646, 5474410, 7116733, 8211615, 14233466, 16423230, 21350199, 35583665, 42700398, 71167330, 106750995, 213501990]

約数ペア:

[(1, 213501990), (2, 106750995), (3, 71167330), (5, 42700398), (6, 35583665), (10, 21350199), (13, 16423230), (15, 14233466), (26, 8211615), (30, 7116733), (39, 5474410), (65, 3284646), (78, 2737205), (130, 1642323), (195, 1094882), (390, 547441)]