201612164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{19681}}^1$

素因数の和:19895

約数の個数: 24

約数和(自身を含む): 381909528

約数和(自身を除く): 180297364

約数列:

[1, 2, 4, 13, 26, 52, 197, 394, 788, 2561, 5122, 10244, 19681, 39362, 78724, 255853, 511706, 1023412, 3877157, 7754314, 15508628, 50403041, 100806082, 201612164]

約数ペア:

[(1, 201612164), (2, 100806082), (4, 50403041), (13, 15508628), (26, 7754314), (52, 3877157), (197, 1023412), (394, 511706), (788, 255853), (2561, 78724), (5122, 39362), (10244, 19681)]