389635218

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{811}}^1$

素因数の和:901

約数の個数: 128

約数和(自身を含む): 1047674880

約数和(自身を除く): 658039662

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 41, 42, 54, 62, 63, 82, 93, 123, 126, 186, 189, 217, 246, 279, 287, 369, 378, 434, 558, 574, 651, 738, 811, 837, 861, 1107, 1271, 1302, 1622, 1674, 1722, 1953, 2214, 2433, 2542, 2583, 3813, 3906, 4866, 5166, 5677, 5859, 7299, 7626, 7749, 8897, 11354, 11439, 11718, 14598, 15498, 17031, 17794, 21897, 22878, 25141, 26691, 33251, 34062, 34317, 43794, 50282, 51093, 53382, 66502, 68634, 75423, 80073, 99753, 102186, 150846, 153279, 160146, 175987, 199506, 226269, 232757, 240219, 299259, 306558, 351974, 452538, 465514, 480438, 527961, 598518, 678807, 698271, 897777, 1030781, 1055922, 1357614, 1396542, 1583883, 1795554, 2061562, 2094813, 3092343, 3167766, 4189626, 4751649, 6184686, 6284439, 7215467, 9277029, 9503298, 12568878, 14430934, 18554058, 21646401, 27831087, 43292802, 55662174, 64939203, 129878406, 194817609, 389635218]

約数ペア:

[(1, 389635218), (2, 194817609), (3, 129878406), (6, 64939203), (7, 55662174), (9, 43292802), (14, 27831087), (18, 21646401), (21, 18554058), (27, 14430934), (31, 12568878), (41, 9503298), (42, 9277029), (54, 7215467), (62, 6284439), (63, 6184686), (82, 4751649), (93, 4189626), (123, 3167766), (126, 3092343), (186, 2094813), (189, 2061562), (217, 1795554), (246, 1583883), (279, 1396542), (287, 1357614), (369, 1055922), (378, 1030781), (434, 897777), (558, 698271), (574, 678807), (651, 598518), (738, 527961), (811, 480438), (837, 465514), (861, 452538), (1107, 351974), (1271, 306558), (1302, 299259), (1622, 240219), (1674, 232757), (1722, 226269), (1953, 199506), (2214, 175987), (2433, 160146), (2542, 153279), (2583, 150846), (3813, 102186), (3906, 99753), (4866, 80073), (5166, 75423), (5677, 68634), (5859, 66502), (7299, 53382), (7626, 51093), (7749, 50282), (8897, 43794), (11354, 34317), (11439, 34062), (11718, 33251), (14598, 26691), (15498, 25141), (17031, 22878), (17794, 21897)]