398744528

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1999}}^1$

素因数の和:2164

約数の個数: 80

約数和(自身を含む): 958272000

約数和(自身を除く): 559527472

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 137, 182, 208, 274, 364, 548, 728, 959, 1096, 1456, 1781, 1918, 1999, 2192, 3562, 3836, 3998, 7124, 7672, 7996, 12467, 13993, 14248, 15344, 15992, 24934, 25987, 27986, 28496, 31984, 49868, 51974, 55972, 99736, 103948, 111944, 181909, 199472, 207896, 223888, 273863, 363818, 415792, 547726, 727636, 1095452, 1455272, 1917041, 2190904, 2910544, 3560219, 3834082, 4381808, 7120438, 7668164, 14240876, 15336328, 24921533, 28481752, 30672656, 49843066, 56963504, 99686132, 199372264, 398744528]

約数ペア:

[(1, 398744528), (2, 199372264), (4, 99686132), (7, 56963504), (8, 49843066), (13, 30672656), (14, 28481752), (16, 24921533), (26, 15336328), (28, 14240876), (52, 7668164), (56, 7120438), (91, 4381808), (104, 3834082), (112, 3560219), (137, 2910544), (182, 2190904), (208, 1917041), (274, 1455272), (364, 1095452), (548, 727636), (728, 547726), (959, 415792), (1096, 363818), (1456, 273863), (1781, 223888), (1918, 207896), (1999, 199472), (2192, 181909), (3562, 111944), (3836, 103948), (3998, 99736), (7124, 55972), (7672, 51974), (7996, 49868), (12467, 31984), (13993, 28496), (14248, 27986), (15344, 25987), (15992, 24934)]