279777784

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{244561}}^1$

素因数の和:244591

約数の個数: 32

約数和(自身を含む): 616296240

約数和(自身を除く): 336518456

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 244561, 489122, 978244, 1956488, 2690171, 3179293, 5380342, 6358586, 10760684, 12717172, 21521368, 25434344, 34972223, 69944446, 139888892, 279777784]

約数ペア:

[(1, 279777784), (2, 139888892), (4, 69944446), (8, 34972223), (11, 25434344), (13, 21521368), (22, 12717172), (26, 10760684), (44, 6358586), (52, 5380342), (88, 3179293), (104, 2690171), (143, 1956488), (286, 978244), (572, 489122), (1144, 244561)]