1781421348

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{76561}}^1$

素因数の和:76852

約数の個数: 48

約数和(自身を含む): 4767668864

約数和(自身を除く): 2986247516

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 277, 554, 831, 1108, 1662, 1939, 3324, 3878, 5817, 7756, 11634, 23268, 76561, 153122, 229683, 306244, 459366, 535927, 918732, 1071854, 1607781, 2143708, 3215562, 6431124, 21207397, 42414794, 63622191, 84829588, 127244382, 148451779, 254488764, 296903558, 445355337, 593807116, 890710674, 1781421348]

約数ペア:

[(1, 1781421348), (2, 890710674), (3, 593807116), (4, 445355337), (6, 296903558), (7, 254488764), (12, 148451779), (14, 127244382), (21, 84829588), (28, 63622191), (42, 42414794), (84, 21207397), (277, 6431124), (554, 3215562), (831, 2143708), (1108, 1607781), (1662, 1071854), (1939, 918732), (3324, 535927), (3878, 459366), (5817, 306244), (7756, 229683), (11634, 153122), (23268, 76561)]