72139036

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{2129}}^1$

素因数の和:2373

約数の個数: 24

約数和(自身を含む): 129895920

約数和(自身を除く): 57756884

約数列:

[1, 2, 4, 43, 86, 172, 197, 394, 788, 2129, 4258, 8471, 8516, 16942, 33884, 91547, 183094, 366188, 419413, 838826, 1677652, 18034759, 36069518, 72139036]

約数ペア:

[(1, 72139036), (2, 36069518), (4, 18034759), (43, 1677652), (86, 838826), (172, 419413), (197, 366188), (394, 183094), (788, 91547), (2129, 33884), (4258, 16942), (8471, 8516)]