666864

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1$

素因数の和:446

約数の個数: 60

約数和(自身を含む): 2040792

約数和(自身を除く): 1373928

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 421, 528, 792, 842, 1263, 1584, 1684, 2526, 3368, 3789, 4631, 5052, 6736, 7578, 9262, 10104, 13893, 15156, 18524, 20208, 27786, 30312, 37048, 41679, 55572, 60624, 74096, 83358, 111144, 166716, 222288, 333432, 666864]

約数ペア:

[(1, 666864), (2, 333432), (3, 222288), (4, 166716), (6, 111144), (8, 83358), (9, 74096), (11, 60624), (12, 55572), (16, 41679), (18, 37048), (22, 30312), (24, 27786), (33, 20208), (36, 18524), (44, 15156), (48, 13893), (66, 10104), (72, 9262), (88, 7578), (99, 6736), (132, 5052), (144, 4631), (176, 3789), (198, 3368), (264, 2526), (396, 1684), (421, 1584), (528, 1263), (792, 842)]