198775590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{509681}}^1$

素因数の和:509704

約数の個数: 32

約数和(自身を含む): 513759456

約数和(自身を除く): 314983866

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 509681, 1019362, 1529043, 2548405, 3058086, 5096810, 6625853, 7645215, 13251706, 15290430, 19877559, 33129265, 39755118, 66258530, 99387795, 198775590]

約数ペア:

[(1, 198775590), (2, 99387795), (3, 66258530), (5, 39755118), (6, 33129265), (10, 19877559), (13, 15290430), (15, 13251706), (26, 7645215), (30, 6625853), (39, 5096810), (65, 3058086), (78, 2548405), (130, 1529043), (195, 1019362), (390, 509681)]