256131.0000000

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8831}}^1$

素因数の和:8855

約数の個数: 48

約数和(自身を含む): 24800256

約数和(自身を除く): 16057566

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 8831, 17662, 26493, 44155, 52986, 79479, 88310, 97141, 132465, 158958, 194282, 264930, 291423, 397395, 485705, 582846, 794790, 874269, 971410, 1457115, 1748538, 2914230, 4371345, 8742690]

約数ペア:

[(1, 8742690), (2, 4371345), (3, 2914230), (5, 1748538), (6, 1457115), (9, 971410), (10, 874269), (11, 794790), (15, 582846), (18, 485705), (22, 397395), (30, 291423), (33, 264930), (45, 194282), (55, 158958), (66, 132465), (90, 97141), (99, 88310), (110, 79479), (165, 52986), (198, 44155), (330, 26493), (495, 17662), (990, 8831)]