393407976

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:755

約数の個数: 128

約数和(自身を含む): 1110049920

約数和(自身を除く): 716641944

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 52, 53, 74, 78, 104, 106, 111, 148, 156, 159, 212, 222, 296, 312, 318, 424, 444, 481, 636, 643, 689, 888, 962, 1272, 1286, 1378, 1443, 1924, 1929, 1961, 2067, 2572, 2756, 2886, 3848, 3858, 3922, 4134, 5144, 5512, 5772, 5883, 7716, 7844, 8268, 8359, 11544, 11766, 15432, 15688, 16536, 16718, 23532, 23791, 25077, 25493, 33436, 34079, 47064, 47582, 50154, 50986, 66872, 68158, 71373, 76479, 95164, 100308, 101972, 102237, 136316, 142746, 152958, 190328, 200616, 203944, 204474, 272632, 285492, 305916, 309283, 408948, 443027, 570984, 611832, 618566, 817896, 886054, 927849, 1237132, 1260923, 1329081, 1772108, 1855698, 2474264, 2521846, 2658162, 3544216, 3711396, 3782769, 5043692, 5316324, 7422792, 7565538, 10087384, 10632648, 15131076, 16391999, 30262152, 32783998, 49175997, 65567996, 98351994, 131135992, 196703988, 393407976]

約数ペア:

[(1, 393407976), (2, 196703988), (3, 131135992), (4, 98351994), (6, 65567996), (8, 49175997), (12, 32783998), (13, 30262152), (24, 16391999), (26, 15131076), (37, 10632648), (39, 10087384), (52, 7565538), (53, 7422792), (74, 5316324), (78, 5043692), (104, 3782769), (106, 3711396), (111, 3544216), (148, 2658162), (156, 2521846), (159, 2474264), (212, 1855698), (222, 1772108), (296, 1329081), (312, 1260923), (318, 1237132), (424, 927849), (444, 886054), (481, 817896), (636, 618566), (643, 611832), (689, 570984), (888, 443027), (962, 408948), (1272, 309283), (1286, 305916), (1378, 285492), (1443, 272632), (1924, 204474), (1929, 203944), (1961, 200616), (2067, 190328), (2572, 152958), (2756, 142746), (2886, 136316), (3848, 102237), (3858, 101972), (3922, 100308), (4134, 95164), (5144, 76479), (5512, 71373), (5772, 68158), (5883, 66872), (7716, 50986), (7844, 50154), (8268, 47582), (8359, 47064), (11544, 34079), (11766, 33436), (15432, 25493), (15688, 25077), (16536, 23791), (16718, 23532)]