395123456

素因数分解:

$2^8\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2423}}^1$

素因数の和:2466

約数の個数: 108

約数和(自身を含む): 988453872

約数和(自身を除く): 593330416

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 182, 196, 208, 224, 256, 364, 392, 416, 448, 637, 728, 784, 832, 896, 1274, 1456, 1568, 1664, 1792, 2423, 2548, 2912, 3136, 3328, 4846, 5096, 5824, 6272, 9692, 10192, 11648, 12544, 16961, 19384, 20384, 23296, 31499, 33922, 38768, 40768, 62998, 67844, 77536, 81536, 118727, 125996, 135688, 155072, 163072, 220493, 237454, 251992, 271376, 310144, 440986, 474908, 503984, 542752, 620288, 881972, 949816, 1007968, 1085504, 1543451, 1763944, 1899632, 2015936, 2171008, 3086902, 3527888, 3799264, 4031872, 4342016, 6173804, 7055776, 7598528, 8063744, 12347608, 14111552, 15197056, 24695216, 28223104, 30394112, 49390432, 56446208, 98780864, 197561728, 395123456]

約数ペア:

[(1, 395123456), (2, 197561728), (4, 98780864), (7, 56446208), (8, 49390432), (13, 30394112), (14, 28223104), (16, 24695216), (26, 15197056), (28, 14111552), (32, 12347608), (49, 8063744), (52, 7598528), (56, 7055776), (64, 6173804), (91, 4342016), (98, 4031872), (104, 3799264), (112, 3527888), (128, 3086902), (182, 2171008), (196, 2015936), (208, 1899632), (224, 1763944), (256, 1543451), (364, 1085504), (392, 1007968), (416, 949816), (448, 881972), (637, 620288), (728, 542752), (784, 503984), (832, 474908), (896, 440986), (1274, 310144), (1456, 271376), (1568, 251992), (1664, 237454), (1792, 220493), (2423, 163072), (2548, 155072), (2912, 135688), (3136, 125996), (3328, 118727), (4846, 81536), (5096, 77536), (5824, 67844), (6272, 62998), (9692, 40768), (10192, 38768), (11648, 33922), (12544, 31499), (16961, 23296), (19384, 20384)]