890604

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 2660112

約数和(自身を除く): 1769508

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 173, 198, 234, 286, 346, 396, 429, 468, 519, 572, 692, 858, 1038, 1287, 1557, 1716, 1903, 2076, 2249, 2574, 3114, 3806, 4498, 5148, 5709, 6228, 6747, 7612, 8996, 11418, 13494, 17127, 20241, 22836, 24739, 26988, 34254, 40482, 49478, 68508, 74217, 80964, 98956, 148434, 222651, 296868, 445302, 890604]

約数ペア:

[(1, 890604), (2, 445302), (3, 296868), (4, 222651), (6, 148434), (9, 98956), (11, 80964), (12, 74217), (13, 68508), (18, 49478), (22, 40482), (26, 34254), (33, 26988), (36, 24739), (39, 22836), (44, 20241), (52, 17127), (66, 13494), (78, 11418), (99, 8996), (117, 7612), (132, 6747), (143, 6228), (156, 5709), (173, 5148), (198, 4498), (234, 3806), (286, 3114), (346, 2574), (396, 2249), (429, 2076), (468, 1903), (519, 1716), (572, 1557), (692, 1287), (858, 1038)]