398716864

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{307}}^1$

素因数の和:562

約数の個数: 112

約数和(自身を含む): 981342208

約数和(自身を除く): 582625344

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 223, 224, 307, 364, 416, 446, 448, 614, 728, 832, 892, 1228, 1456, 1561, 1784, 2149, 2456, 2899, 2912, 3122, 3568, 3991, 4298, 4912, 5798, 5824, 6244, 7136, 7982, 8596, 9824, 11596, 12488, 14272, 15964, 17192, 19648, 20293, 23192, 24976, 27937, 31928, 34384, 40586, 46384, 49952, 55874, 63856, 68461, 68768, 81172, 92768, 99904, 111748, 127712, 136922, 137536, 162344, 185536, 223496, 255424, 273844, 324688, 446992, 479227, 547688, 649376, 889993, 893984, 958454, 1095376, 1298752, 1779986, 1787968, 1916908, 2190752, 3559972, 3833816, 4381504, 6229951, 7119944, 7667632, 12459902, 14239888, 15335264, 24919804, 28479776, 30670528, 49839608, 56959552, 99679216, 199358432, 398716864]

約数ペア:

[(1, 398716864), (2, 199358432), (4, 99679216), (7, 56959552), (8, 49839608), (13, 30670528), (14, 28479776), (16, 24919804), (26, 15335264), (28, 14239888), (32, 12459902), (52, 7667632), (56, 7119944), (64, 6229951), (91, 4381504), (104, 3833816), (112, 3559972), (182, 2190752), (208, 1916908), (223, 1787968), (224, 1779986), (307, 1298752), (364, 1095376), (416, 958454), (446, 893984), (448, 889993), (614, 649376), (728, 547688), (832, 479227), (892, 446992), (1228, 324688), (1456, 273844), (1561, 255424), (1784, 223496), (2149, 185536), (2456, 162344), (2899, 137536), (2912, 136922), (3122, 127712), (3568, 111748), (3991, 99904), (4298, 92768), (4912, 81172), (5798, 68768), (5824, 68461), (6244, 63856), (7136, 55874), (7982, 49952), (8596, 46384), (9824, 40586), (11596, 34384), (12488, 31928), (14272, 27937), (15964, 24976), (17192, 23192), (19648, 20293)]