666864128

素因数分解:

$2^9\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1399}}^1$

素因数の和:1450

約数の個数: 120

約数和(自身を含む): 1632708000

約数和(自身を除く): 965843872

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 64, 76, 98, 112, 128, 133, 152, 196, 224, 256, 266, 304, 392, 448, 512, 532, 608, 784, 896, 931, 1064, 1216, 1399, 1568, 1792, 1862, 2128, 2432, 2798, 3136, 3584, 3724, 4256, 4864, 5596, 6272, 7448, 8512, 9728, 9793, 11192, 12544, 14896, 17024, 19586, 22384, 25088, 26581, 29792, 34048, 39172, 44768, 53162, 59584, 68096, 68551, 78344, 89536, 106324, 119168, 137102, 156688, 179072, 186067, 212648, 238336, 274204, 313376, 358144, 372134, 425296, 476672, 548408, 626752, 716288, 744268, 850592, 1096816, 1253504, 1302469, 1488536, 1701184, 2193632, 2507008, 2604938, 2977072, 3402368, 4387264, 5014016, 5209876, 5954144, 6804736, 8774528, 10419752, 11908288, 13609472, 17549056, 20839504, 23816576, 35098112, 41679008, 47633152, 83358016, 95266304, 166716032, 333432064, 666864128]

約数ペア:

[(1, 666864128), (2, 333432064), (4, 166716032), (7, 95266304), (8, 83358016), (14, 47633152), (16, 41679008), (19, 35098112), (28, 23816576), (32, 20839504), (38, 17549056), (49, 13609472), (56, 11908288), (64, 10419752), (76, 8774528), (98, 6804736), (112, 5954144), (128, 5209876), (133, 5014016), (152, 4387264), (196, 3402368), (224, 2977072), (256, 2604938), (266, 2507008), (304, 2193632), (392, 1701184), (448, 1488536), (512, 1302469), (532, 1253504), (608, 1096816), (784, 850592), (896, 744268), (931, 716288), (1064, 626752), (1216, 548408), (1399, 476672), (1568, 425296), (1792, 372134), (1862, 358144), (2128, 313376), (2432, 274204), (2798, 238336), (3136, 212648), (3584, 186067), (3724, 179072), (4256, 156688), (4864, 137102), (5596, 119168), (6272, 106324), (7448, 89536), (8512, 78344), (9728, 68551), (9793, 68096), (11192, 59584), (12544, 53162), (14896, 44768), (17024, 39172), (19586, 34048), (22384, 29792), (25088, 26581)]