257896986

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1\times {\mathrm{1619}}^1$

素因数の和:1954

約数の個数: 32

約数和(自身を含む): 522547200

約数和(自身を除く): 264650214

約数列:

[1, 2, 3, 6, 139, 191, 278, 382, 417, 573, 834, 1146, 1619, 3238, 4857, 9714, 26549, 53098, 79647, 159294, 225041, 309229, 450082, 618458, 675123, 927687, 1350246, 1855374, 42982831, 85965662, 128948493, 257896986]

約数ペア:

[(1, 257896986), (2, 128948493), (3, 85965662), (6, 42982831), (139, 1855374), (191, 1350246), (278, 927687), (382, 675123), (417, 618458), (573, 450082), (834, 309229), (1146, 225041), (1619, 159294), (3238, 79647), (4857, 53098), (9714, 26549)]