990325154

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{569}}^1$

素因数の和:795

約数の個数: 64

約数和(自身を含む): 1870767360

約数和(自身を除く): 880442206

約数列:

[1, 2, 7, 13, 14, 26, 73, 91, 131, 146, 182, 262, 511, 569, 917, 949, 1022, 1138, 1703, 1834, 1898, 3406, 3983, 6643, 7397, 7966, 9563, 11921, 13286, 14794, 19126, 23842, 41537, 51779, 66941, 74539, 83074, 103558, 124319, 133882, 149078, 248638, 290759, 521773, 539981, 581518, 870233, 969007, 1043546, 1079962, 1740466, 1938014, 3779867, 5441347, 6783049, 7559734, 10882694, 13566098, 38089429, 70737511, 76178858, 141475022, 495162577, 990325154]

約数ペア:

[(1, 990325154), (2, 495162577), (7, 141475022), (13, 76178858), (14, 70737511), (26, 38089429), (73, 13566098), (91, 10882694), (131, 7559734), (146, 6783049), (182, 5441347), (262, 3779867), (511, 1938014), (569, 1740466), (917, 1079962), (949, 1043546), (1022, 969007), (1138, 870233), (1703, 581518), (1834, 539981), (1898, 521773), (3406, 290759), (3983, 248638), (6643, 149078), (7397, 133882), (7966, 124319), (9563, 103558), (11921, 83074), (13286, 74539), (14794, 66941), (19126, 51779), (23842, 41537)]