15205049972

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{51871}}^1$

素因数の和:51949

約数の個数: 72

約数和(自身を含む): 33202229760

約数和(自身を除く): 17997179788

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 58, 76, 116, 133, 203, 266, 361, 406, 532, 551, 722, 812, 1102, 1444, 2204, 2527, 3857, 5054, 7714, 10108, 10469, 15428, 20938, 41876, 51871, 73283, 103742, 146566, 207484, 293132, 363097, 726194, 985549, 1452388, 1504259, 1971098, 3008518, 3942196, 6017036, 6898843, 10529813, 13797686, 18725431, 21059626, 27595372, 28580921, 37450862, 42119252, 57161842, 74901724, 114323684, 131078017, 200066447, 262156034, 400132894, 524312068, 543037499, 800265788, 1086074998, 2172149996, 3801262493, 7602524986, 15205049972]

約数ペア:

[(1, 15205049972), (2, 7602524986), (4, 3801262493), (7, 2172149996), (14, 1086074998), (19, 800265788), (28, 543037499), (29, 524312068), (38, 400132894), (58, 262156034), (76, 200066447), (116, 131078017), (133, 114323684), (203, 74901724), (266, 57161842), (361, 42119252), (406, 37450862), (532, 28580921), (551, 27595372), (722, 21059626), (812, 18725431), (1102, 13797686), (1444, 10529813), (2204, 6898843), (2527, 6017036), (3857, 3942196), (5054, 3008518), (7714, 1971098), (10108, 1504259), (10469, 1452388), (15428, 985549), (20938, 726194), (41876, 363097), (51871, 293132), (73283, 207484), (103742, 146566)]