391395834

素因数分解:

$2^1\times 3^3\times {\mathrm{89}}^1\times {\mathrm{81439}}^1$

素因数の和:81539

約数の個数: 32

約数和(自身を含む): 879552000

約数和(自身を除く): 488156166

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 89, 178, 267, 534, 801, 1602, 2403, 4806, 81439, 162878, 244317, 488634, 732951, 1465902, 2198853, 4397706, 7248071, 14496142, 21744213, 43488426, 65232639, 130465278, 195697917, 391395834]

約数ペア:

[(1, 391395834), (2, 195697917), (3, 130465278), (6, 65232639), (9, 43488426), (18, 21744213), (27, 14496142), (54, 7248071), (89, 4397706), (178, 2198853), (267, 1465902), (534, 732951), (801, 488634), (1602, 244317), (2403, 162878), (4806, 81439)]