25942917

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 47609856

約数和(自身を除く): 21666939

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 53, 77, 91, 143, 159, 163, 231, 273, 371, 429, 489, 583, 689, 1001, 1113, 1141, 1749, 1793, 2067, 2119, 3003, 3423, 4081, 4823, 5379, 6357, 7579, 8639, 12243, 12551, 14469, 14833, 22737, 23309, 25917, 37653, 44499, 53053, 60473, 69927, 95029, 112307, 159159, 163163, 181419, 285087, 336921, 489489, 665203, 786149, 1235377, 1995609, 2358447, 3706131, 8647639, 25942917]

約数ペア:

[(1, 25942917), (3, 8647639), (7, 3706131), (11, 2358447), (13, 1995609), (21, 1235377), (33, 786149), (39, 665203), (53, 489489), (77, 336921), (91, 285087), (143, 181419), (159, 163163), (163, 159159), (231, 112307), (273, 95029), (371, 69927), (429, 60473), (489, 53053), (583, 44499), (689, 37653), (1001, 25917), (1113, 23309), (1141, 22737), (1749, 14833), (1793, 14469), (2067, 12551), (2119, 12243), (3003, 8639), (3423, 7579), (4081, 6357), (4823, 5379)]