1781208

素因数分解:

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

素因数の和:209

約数の個数: 96

約数和(自身を含む): 5700240

約数和(自身を除く): 3919032

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 24, 26, 33, 36, 39, 44, 52, 66, 72, 78, 88, 99, 104, 117, 132, 143, 156, 173, 198, 234, 264, 286, 312, 346, 396, 429, 468, 519, 572, 692, 792, 858, 936, 1038, 1144, 1287, 1384, 1557, 1716, 1903, 2076, 2249, 2574, 3114, 3432, 3806, 4152, 4498, 5148, 5709, 6228, 6747, 7612, 8996, 10296, 11418, 12456, 13494, 15224, 17127, 17992, 20241, 22836, 24739, 26988, 34254, 40482, 45672, 49478, 53976, 68508, 74217, 80964, 98956, 137016, 148434, 161928, 197912, 222651, 296868, 445302, 593736, 890604, 1781208]

約数ペア:

[(1, 1781208), (2, 890604), (3, 593736), (4, 445302), (6, 296868), (8, 222651), (9, 197912), (11, 161928), (12, 148434), (13, 137016), (18, 98956), (22, 80964), (24, 74217), (26, 68508), (33, 53976), (36, 49478), (39, 45672), (44, 40482), (52, 34254), (66, 26988), (72, 24739), (78, 22836), (88, 20241), (99, 17992), (104, 17127), (117, 15224), (132, 13494), (143, 12456), (156, 11418), (173, 10296), (198, 8996), (234, 7612), (264, 6747), (286, 6228), (312, 5709), (346, 5148), (396, 4498), (429, 4152), (468, 3806), (519, 3432), (572, 3114), (692, 2574), (792, 2249), (858, 2076), (936, 1903), (1038, 1716), (1144, 1557), (1287, 1384)]