278364198

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:386

約数の個数: 96

約数和(自身を含む): 672465024

約数和(自身を除く): 394100826

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 49, 86, 97, 98, 129, 147, 194, 227, 258, 291, 294, 301, 454, 582, 602, 679, 681, 903, 1358, 1362, 1589, 1806, 2037, 2107, 3178, 4074, 4171, 4214, 4753, 4767, 6321, 8342, 9506, 9534, 9761, 11123, 12513, 12642, 14259, 19522, 22019, 22246, 25026, 28518, 29197, 29283, 33369, 44038, 58394, 58566, 66057, 66738, 68327, 87591, 132114, 136654, 154133, 175182, 204379, 204981, 308266, 408758, 409962, 462399, 478289, 613137, 924798, 946817, 956578, 1078931, 1226274, 1434867, 1893634, 2157862, 2840451, 2869734, 3236793, 5680902, 6473586, 6627719, 13255438, 19883157, 39766314, 46394033, 92788066, 139182099, 278364198]

約数ペア:

[(1, 278364198), (2, 139182099), (3, 92788066), (6, 46394033), (7, 39766314), (14, 19883157), (21, 13255438), (42, 6627719), (43, 6473586), (49, 5680902), (86, 3236793), (97, 2869734), (98, 2840451), (129, 2157862), (147, 1893634), (194, 1434867), (227, 1226274), (258, 1078931), (291, 956578), (294, 946817), (301, 924798), (454, 613137), (582, 478289), (602, 462399), (679, 409962), (681, 408758), (903, 308266), (1358, 204981), (1362, 204379), (1589, 175182), (1806, 154133), (2037, 136654), (2107, 132114), (3178, 87591), (4074, 68327), (4171, 66738), (4214, 66057), (4753, 58566), (4767, 58394), (6321, 44038), (8342, 33369), (9506, 29283), (9534, 29197), (9761, 28518), (11123, 25026), (12513, 22246), (12642, 22019), (14259, 19522)]