31378776

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:297

約数の個数: 128

約数和(自身を含む): 94832640

約数和(自身を除く): 63453864

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 41, 44, 52, 66, 78, 82, 88, 104, 123, 132, 143, 156, 164, 223, 246, 264, 286, 312, 328, 429, 446, 451, 492, 533, 572, 669, 858, 892, 902, 984, 1066, 1144, 1338, 1353, 1599, 1716, 1784, 1804, 2132, 2453, 2676, 2706, 2899, 3198, 3432, 3608, 4264, 4906, 5352, 5412, 5798, 5863, 6396, 7359, 8697, 9143, 9812, 10824, 11596, 11726, 12792, 14718, 17394, 17589, 18286, 19624, 23192, 23452, 27429, 29436, 31889, 34788, 35178, 36572, 46904, 54858, 58872, 63778, 69576, 70356, 73144, 95667, 100573, 109716, 118859, 127556, 140712, 191334, 201146, 219432, 237718, 255112, 301719, 356577, 382668, 402292, 475436, 603438, 713154, 765336, 804584, 950872, 1206876, 1307449, 1426308, 2413752, 2614898, 2852616, 3922347, 5229796, 7844694, 10459592, 15689388, 31378776]

約数ペア:

[(1, 31378776), (2, 15689388), (3, 10459592), (4, 7844694), (6, 5229796), (8, 3922347), (11, 2852616), (12, 2614898), (13, 2413752), (22, 1426308), (24, 1307449), (26, 1206876), (33, 950872), (39, 804584), (41, 765336), (44, 713154), (52, 603438), (66, 475436), (78, 402292), (82, 382668), (88, 356577), (104, 301719), (123, 255112), (132, 237718), (143, 219432), (156, 201146), (164, 191334), (223, 140712), (246, 127556), (264, 118859), (286, 109716), (312, 100573), (328, 95667), (429, 73144), (446, 70356), (451, 69576), (492, 63778), (533, 58872), (572, 54858), (669, 46904), (858, 36572), (892, 35178), (902, 34788), (984, 31889), (1066, 29436), (1144, 27429), (1338, 23452), (1353, 23192), (1599, 19624), (1716, 18286), (1784, 17589), (1804, 17394), (2132, 14718), (2453, 12792), (2676, 11726), (2706, 11596), (2899, 10824), (3198, 9812), (3432, 9143), (3608, 8697), (4264, 7359), (4906, 6396), (5352, 5863), (5412, 5798)]