2491008

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:529

約数の個数: 64

約数和(自身を含む): 7140000

約数和(自身を除く): 4648992

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, 499, 624, 832, 998, 1248, 1497, 1664, 1996, 2496, 2994, 3992, 4992, 5988, 6487, 7984, 11976, 12974, 15968, 19461, 23952, 25948, 31936, 38922, 47904, 51896, 63872, 77844, 95808, 103792, 155688, 191616, 207584, 311376, 415168, 622752, 830336, 1245504, 2491008]

約数ペア:

[(1, 2491008), (2, 1245504), (3, 830336), (4, 622752), (6, 415168), (8, 311376), (12, 207584), (13, 191616), (16, 155688), (24, 103792), (26, 95808), (32, 77844), (39, 63872), (48, 51896), (52, 47904), (64, 38922), (78, 31936), (96, 25948), (104, 23952), (128, 19461), (156, 15968), (192, 12974), (208, 11976), (312, 7984), (384, 6487), (416, 5988), (499, 4992), (624, 3992), (832, 2994), (998, 2496), (1248, 1996), (1497, 1664)]