217996870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239557}}^1$

素因数の和:239584

約数の個数: 32

約数和(自身を含む): 482948928

約数和(自身を除く): 264952058

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 239557, 479114, 1197785, 1676899, 2395570, 3114241, 3353798, 6228482, 8384495, 15571205, 16768990, 21799687, 31142410, 43599374, 108998435, 217996870]

約数ペア:

[(1, 217996870), (2, 108998435), (5, 43599374), (7, 31142410), (10, 21799687), (13, 16768990), (14, 15571205), (26, 8384495), (35, 6228482), (65, 3353798), (70, 3114241), (91, 2395570), (130, 1676899), (182, 1197785), (455, 479114), (910, 239557)]