388865488

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{271}}^1$

素因数の和:584

約数の個数: 80

約数和(自身を含む): 854802432

約数和(自身を除く): 465936944

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 263, 271, 341, 496, 526, 542, 682, 1052, 1084, 1364, 2104, 2168, 2728, 2893, 2981, 4208, 4336, 5456, 5786, 5962, 8153, 8401, 11572, 11924, 16306, 16802, 23144, 23848, 32612, 33604, 46288, 47696, 65224, 67208, 71273, 89683, 92411, 130448, 134416, 142546, 179366, 184822, 285092, 358732, 369644, 570184, 717464, 739288, 784003, 1140368, 1434928, 1478576, 1568006, 2209463, 3136012, 4418926, 6272024, 8837852, 12544048, 17675704, 24304093, 35351408, 48608186, 97216372, 194432744, 388865488]

約数ペア:

[(1, 388865488), (2, 194432744), (4, 97216372), (8, 48608186), (11, 35351408), (16, 24304093), (22, 17675704), (31, 12544048), (44, 8837852), (62, 6272024), (88, 4418926), (124, 3136012), (176, 2209463), (248, 1568006), (263, 1478576), (271, 1434928), (341, 1140368), (496, 784003), (526, 739288), (542, 717464), (682, 570184), (1052, 369644), (1084, 358732), (1364, 285092), (2104, 184822), (2168, 179366), (2728, 142546), (2893, 134416), (2981, 130448), (4208, 92411), (4336, 89683), (5456, 71273), (5786, 67208), (5962, 65224), (8153, 47696), (8401, 46288), (11572, 33604), (11924, 32612), (16306, 23848), (16802, 23144)]