9979008

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1999}}^1$

素因数の和:2029

約数の個数: 64

約数和(自身を含む): 28560000

約数和(自身を除く): 18580992

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 312, 384, 416, 624, 832, 1248, 1664, 1999, 2496, 3998, 4992, 5997, 7996, 11994, 15992, 23988, 25987, 31984, 47976, 51974, 63968, 77961, 95952, 103948, 127936, 155922, 191904, 207896, 255872, 311844, 383808, 415792, 623688, 767616, 831584, 1247376, 1663168, 2494752, 3326336, 4989504, 9979008]

約数ペア:

[(1, 9979008), (2, 4989504), (3, 3326336), (4, 2494752), (6, 1663168), (8, 1247376), (12, 831584), (13, 767616), (16, 623688), (24, 415792), (26, 383808), (32, 311844), (39, 255872), (48, 207896), (52, 191904), (64, 155922), (78, 127936), (96, 103948), (104, 95952), (128, 77961), (156, 63968), (192, 51974), (208, 47976), (312, 31984), (384, 25987), (416, 23988), (624, 15992), (832, 11994), (1248, 7996), (1664, 5997), (1999, 4992), (2496, 3998)]