197975570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{857}}^1\times {\mathrm{1777}}^1$

素因数の和:2654

約数の個数: 32

約数和(自身を含む): 384432048

約数和(自身を除く): 186456478

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 857, 1714, 1777, 3554, 4285, 8570, 8885, 11141, 17770, 22282, 23101, 46202, 55705, 111410, 115505, 231010, 1522889, 3045778, 7614445, 15228890, 19797557, 39595114, 98987785, 197975570]

約数ペア:

[(1, 197975570), (2, 98987785), (5, 39595114), (10, 19797557), (13, 15228890), (26, 7614445), (65, 3045778), (130, 1522889), (857, 231010), (1714, 115505), (1777, 111410), (3554, 55705), (4285, 46202), (8570, 23101), (8885, 22282), (11141, 17770)]