251994744

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{26717}}^1$

素因数の和:26860

約数の個数: 48

約数和(自身を含む): 687721320

約数和(自身を除く): 435726576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2358, 3144, 4716, 9432, 26717, 53434, 80151, 106868, 160302, 213736, 240453, 320604, 480906, 641208, 961812, 1923624, 3499927, 6999854, 10499781, 13999708, 20999562, 27999416, 31499343, 41999124, 62998686, 83998248, 125997372, 251994744]

約数ペア:

[(1, 251994744), (2, 125997372), (3, 83998248), (4, 62998686), (6, 41999124), (8, 31499343), (9, 27999416), (12, 20999562), (18, 13999708), (24, 10499781), (36, 6999854), (72, 3499927), (131, 1923624), (262, 961812), (393, 641208), (524, 480906), (786, 320604), (1048, 240453), (1179, 213736), (1572, 160302), (2358, 106868), (3144, 80151), (4716, 53434), (9432, 26717)]