263290984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{21839}}^1$

素因数の和:21993

約数の個数: 32

約数和(自身を含む): 542505600

約数和(自身を除く): 279214616

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 137, 274, 548, 1096, 1507, 3014, 6028, 12056, 21839, 43678, 87356, 174712, 240229, 480458, 960916, 1921832, 2991943, 5983886, 11967772, 23935544, 32911373, 65822746, 131645492, 263290984]

約数ペア:

[(1, 263290984), (2, 131645492), (4, 65822746), (8, 32911373), (11, 23935544), (22, 11967772), (44, 5983886), (88, 2991943), (137, 1921832), (274, 960916), (548, 480458), (1096, 240229), (1507, 174712), (3014, 87356), (6028, 43678), (12056, 21839)]