820102444

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{9721}}^1$

素因数の和:9886

約数の個数: 48

約数和(自身を含む): 1724760576

約数和(自身を除く): 904658132

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 131, 161, 262, 322, 524, 644, 917, 1834, 3013, 3668, 6026, 9721, 12052, 19442, 21091, 38884, 42182, 68047, 84364, 136094, 223583, 272188, 447166, 894332, 1273451, 1565081, 2546902, 3130162, 5093804, 6260324, 8914157, 17828314, 29289373, 35656628, 58578746, 117157492, 205025611, 410051222, 820102444]

約数ペア:

[(1, 820102444), (2, 410051222), (4, 205025611), (7, 117157492), (14, 58578746), (23, 35656628), (28, 29289373), (46, 17828314), (92, 8914157), (131, 6260324), (161, 5093804), (262, 3130162), (322, 2546902), (524, 1565081), (644, 1273451), (917, 894332), (1834, 447166), (3013, 272188), (3668, 223583), (6026, 136094), (9721, 84364), (12052, 68047), (19442, 42182), (21091, 38884)]