1639561416

素因数分解:

$2^3\times 3^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:387

約数の個数: 128

約数和(自身を含む): 4289725440

約数和(自身を除く): 2650164024

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 61, 83, 103, 122, 131, 166, 183, 206, 244, 249, 262, 309, 332, 366, 393, 412, 488, 498, 524, 618, 664, 732, 786, 824, 996, 1048, 1236, 1464, 1572, 1992, 2472, 3144, 5063, 6283, 7991, 8549, 10126, 10873, 12566, 13493, 15189, 15982, 17098, 18849, 20252, 21746, 23973, 25132, 25647, 26986, 30378, 31964, 32619, 34196, 37698, 40479, 40504, 43492, 47946, 50264, 51294, 53972, 60756, 63928, 65238, 68392, 75396, 80958, 86984, 95892, 102588, 107944, 121512, 130476, 150792, 161916, 191784, 205176, 260952, 323832, 521489, 663253, 823073, 1042978, 1119919, 1326506, 1564467, 1646146, 1989759, 2085956, 2239838, 2469219, 2653012, 3128934, 3292292, 3359757, 3979518, 4171912, 4479676, 4938438, 5306024, 6257868, 6584584, 6719514, 7959036, 8959352, 9876876, 12515736, 13439028, 15918072, 19753752, 26878056, 68315059, 136630118, 204945177, 273260236, 409890354, 546520472, 819780708, 1639561416]

約数ペア:

[(1, 1639561416), (2, 819780708), (3, 546520472), (4, 409890354), (6, 273260236), (8, 204945177), (12, 136630118), (24, 68315059), (61, 26878056), (83, 19753752), (103, 15918072), (122, 13439028), (131, 12515736), (166, 9876876), (183, 8959352), (206, 7959036), (244, 6719514), (249, 6584584), (262, 6257868), (309, 5306024), (332, 4938438), (366, 4479676), (393, 4171912), (412, 3979518), (488, 3359757), (498, 3292292), (524, 3128934), (618, 2653012), (664, 2469219), (732, 2239838), (786, 2085956), (824, 1989759), (996, 1646146), (1048, 1564467), (1236, 1326506), (1464, 1119919), (1572, 1042978), (1992, 823073), (2472, 663253), (3144, 521489), (5063, 323832), (6283, 260952), (7991, 205176), (8549, 191784), (10126, 161916), (10873, 150792), (12566, 130476), (13493, 121512), (15189, 107944), (15982, 102588), (17098, 95892), (18849, 86984), (20252, 80958), (21746, 75396), (23973, 68392), (25132, 65238), (25647, 63928), (26986, 60756), (30378, 53972), (31964, 51294), (32619, 50264), (34196, 47946), (37698, 43492), (40479, 40504)]