251015436

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:290

約数の個数: 180

約数和(自身を含む): 775940088

約数和(自身を除く): 524924652

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 97, 98, 108, 126, 147, 162, 163, 189, 194, 196, 252, 291, 294, 324, 326, 378, 388, 441, 489, 567, 582, 588, 652, 679, 756, 873, 882, 978, 1134, 1141, 1164, 1323, 1358, 1467, 1746, 1764, 1956, 2037, 2268, 2282, 2619, 2646, 2716, 2934, 3423, 3492, 3969, 4074, 4401, 4564, 4753, 5238, 5292, 5868, 6111, 6846, 7857, 7938, 7987, 8148, 8802, 9506, 10269, 10476, 12222, 13203, 13692, 14259, 15714, 15811, 15876, 15974, 17604, 18333, 19012, 20538, 23961, 24444, 26406, 28518, 30807, 31428, 31622, 31948, 36666, 41076, 42777, 47433, 47922, 52812, 54999, 57036, 61614, 63244, 71883, 73332, 85554, 92421, 94866, 95844, 109998, 110677, 123228, 128331, 142299, 143766, 171108, 184842, 189732, 215649, 219996, 221354, 256662, 284598, 287532, 332031, 369684, 384993, 426897, 431298, 442708, 513324, 569196, 646947, 664062, 769986, 774739, 853794, 862596, 996093, 1280691, 1293894, 1328124, 1539972, 1549478, 1707588, 1992186, 2324217, 2561382, 2587788, 2988279, 3098956, 3984372, 4648434, 5122764, 5976558, 6972651, 8964837, 9296868, 11953116, 13945302, 17929674, 20917953, 27890604, 35859348, 41835906, 62753859, 83671812, 125507718, 251015436]

約数ペア:

[(1, 251015436), (2, 125507718), (3, 83671812), (4, 62753859), (6, 41835906), (7, 35859348), (9, 27890604), (12, 20917953), (14, 17929674), (18, 13945302), (21, 11953116), (27, 9296868), (28, 8964837), (36, 6972651), (42, 5976558), (49, 5122764), (54, 4648434), (63, 3984372), (81, 3098956), (84, 2988279), (97, 2587788), (98, 2561382), (108, 2324217), (126, 1992186), (147, 1707588), (162, 1549478), (163, 1539972), (189, 1328124), (194, 1293894), (196, 1280691), (252, 996093), (291, 862596), (294, 853794), (324, 774739), (326, 769986), (378, 664062), (388, 646947), (441, 569196), (489, 513324), (567, 442708), (582, 431298), (588, 426897), (652, 384993), (679, 369684), (756, 332031), (873, 287532), (882, 284598), (978, 256662), (1134, 221354), (1141, 219996), (1164, 215649), (1323, 189732), (1358, 184842), (1467, 171108), (1746, 143766), (1764, 142299), (1956, 128331), (2037, 123228), (2268, 110677), (2282, 109998), (2619, 95844), (2646, 94866), (2716, 92421), (2934, 85554), (3423, 73332), (3492, 71883), (3969, 63244), (4074, 61614), (4401, 57036), (4564, 54999), (4753, 52812), (5238, 47922), (5292, 47433), (5868, 42777), (6111, 41076), (6846, 36666), (7857, 31948), (7938, 31622), (7987, 31428), (8148, 30807), (8802, 28518), (9506, 26406), (10269, 24444), (10476, 23961), (12222, 20538), (13203, 19012), (13692, 18333), (14259, 17604), (15714, 15974), (15811, 15876)]