8398404

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{23}}^2$

素因数の和:76

約数の個数: 135

約数和(自身を含む): 26698287

約数和(自身を除く): 18299883

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 42, 46, 49, 54, 63, 69, 81, 84, 92, 98, 108, 126, 138, 147, 161, 162, 189, 196, 207, 252, 276, 294, 322, 324, 378, 414, 441, 483, 529, 567, 588, 621, 644, 756, 828, 882, 966, 1058, 1127, 1134, 1242, 1323, 1449, 1587, 1764, 1863, 1932, 2116, 2254, 2268, 2484, 2646, 2898, 3174, 3381, 3703, 3726, 3969, 4347, 4508, 4761, 5292, 5796, 6348, 6762, 7406, 7452, 7938, 8694, 9522, 10143, 11109, 13041, 13524, 14283, 14812, 15876, 17388, 19044, 20286, 22218, 25921, 26082, 28566, 30429, 33327, 40572, 42849, 44436, 51842, 52164, 57132, 60858, 66654, 77763, 85698, 91287, 99981, 103684, 121716, 133308, 155526, 171396, 182574, 199962, 233289, 299943, 311052, 365148, 399924, 466578, 599886, 699867, 933156, 1199772, 1399734, 2099601, 2799468, 4199202, 8398404]

約数ペア:

[(1, 8398404), (2, 4199202), (3, 2799468), (4, 2099601), (6, 1399734), (7, 1199772), (9, 933156), (12, 699867), (14, 599886), (18, 466578), (21, 399924), (23, 365148), (27, 311052), (28, 299943), (36, 233289), (42, 199962), (46, 182574), (49, 171396), (54, 155526), (63, 133308), (69, 121716), (81, 103684), (84, 99981), (92, 91287), (98, 85698), (108, 77763), (126, 66654), (138, 60858), (147, 57132), (161, 52164), (162, 51842), (189, 44436), (196, 42849), (207, 40572), (252, 33327), (276, 30429), (294, 28566), (322, 26082), (324, 25921), (378, 22218), (414, 20286), (441, 19044), (483, 17388), (529, 15876), (567, 14812), (588, 14283), (621, 13524), (644, 13041), (756, 11109), (828, 10143), (882, 9522), (966, 8694), (1058, 7938), (1127, 7452), (1134, 7406), (1242, 6762), (1323, 6348), (1449, 5796), (1587, 5292), (1764, 4761), (1863, 4508), (1932, 4347), (2116, 3969), (2254, 3726), (2268, 3703), (2484, 3381), (2646, 3174)]