388646856

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{138407}}^1$

素因数の和:138435

約数の個数: 64

約数和(自身を含む): 1162627200

約数和(自身を除く): 773980344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 138407, 276814, 415221, 553628, 830442, 1107256, 1245663, 1660884, 1799291, 2491326, 3321768, 3598582, 3736989, 4982652, 5397873, 7197164, 7473978, 9965304, 10795746, 14394328, 14947956, 16193619, 21591492, 29895912, 32387238, 43182984, 48580857, 64774476, 97161714, 129548952, 194323428, 388646856]

約数ペア:

[(1, 388646856), (2, 194323428), (3, 129548952), (4, 97161714), (6, 64774476), (8, 48580857), (9, 43182984), (12, 32387238), (13, 29895912), (18, 21591492), (24, 16193619), (26, 14947956), (27, 14394328), (36, 10795746), (39, 9965304), (52, 7473978), (54, 7197164), (72, 5397873), (78, 4982652), (104, 3736989), (108, 3598582), (117, 3321768), (156, 2491326), (216, 1799291), (234, 1660884), (312, 1245663), (351, 1107256), (468, 830442), (702, 553628), (936, 415221), (1404, 276814), (2808, 138407)]