128204874

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{1061}}^1$

素因数の和:1220

約数の個数: 72

約数和(自身を含む): 325793988

約数和(自身を除く): 197589114

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 137, 147, 274, 294, 411, 441, 822, 882, 959, 1061, 1233, 1918, 2122, 2466, 2877, 3183, 5754, 6366, 6713, 7427, 8631, 9549, 13426, 14854, 17262, 19098, 20139, 22281, 40278, 44562, 51989, 60417, 66843, 103978, 120834, 133686, 145357, 155967, 290714, 311934, 436071, 467901, 872142, 935802, 1017499, 1308213, 2034998, 2616426, 3052497, 6104994, 7122493, 9157491, 14244986, 18314982, 21367479, 42734958, 64102437, 128204874]

約数ペア:

[(1, 128204874), (2, 64102437), (3, 42734958), (6, 21367479), (7, 18314982), (9, 14244986), (14, 9157491), (18, 7122493), (21, 6104994), (42, 3052497), (49, 2616426), (63, 2034998), (98, 1308213), (126, 1017499), (137, 935802), (147, 872142), (274, 467901), (294, 436071), (411, 311934), (441, 290714), (822, 155967), (882, 145357), (959, 133686), (1061, 120834), (1233, 103978), (1918, 66843), (2122, 60417), (2466, 51989), (2877, 44562), (3183, 40278), (5754, 22281), (6366, 20139), (6713, 19098), (7427, 17262), (8631, 14854), (9549, 13426)]