31671276

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 96413184

約数和(自身を除く): 64741908

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 23, 26, 28, 39, 42, 46, 52, 69, 78, 84, 91, 92, 97, 138, 156, 161, 169, 182, 194, 273, 276, 291, 299, 322, 338, 364, 388, 483, 507, 546, 582, 598, 644, 676, 679, 897, 966, 1014, 1092, 1164, 1183, 1196, 1261, 1358, 1794, 1932, 2028, 2037, 2093, 2231, 2366, 2522, 2716, 3549, 3588, 3783, 3887, 4074, 4186, 4462, 4732, 5044, 6279, 6693, 7098, 7566, 7774, 8148, 8372, 8827, 8924, 11661, 12558, 13386, 14196, 15132, 15548, 15617, 16393, 17654, 23322, 25116, 26481, 26772, 27209, 29003, 31234, 32786, 35308, 46644, 46851, 49179, 52962, 54418, 58006, 62468, 65572, 81627, 87009, 93702, 98358, 105924, 108836, 114751, 116012, 163254, 174018, 187404, 196716, 203021, 229502, 326508, 344253, 348036, 377039, 406042, 459004, 609063, 688506, 754078, 812084, 1131117, 1218126, 1377012, 1508156, 2262234, 2436252, 2639273, 4524468, 5278546, 7917819, 10557092, 15835638, 31671276]

約数ペア:

[(1, 31671276), (2, 15835638), (3, 10557092), (4, 7917819), (6, 5278546), (7, 4524468), (12, 2639273), (13, 2436252), (14, 2262234), (21, 1508156), (23, 1377012), (26, 1218126), (28, 1131117), (39, 812084), (42, 754078), (46, 688506), (52, 609063), (69, 459004), (78, 406042), (84, 377039), (91, 348036), (92, 344253), (97, 326508), (138, 229502), (156, 203021), (161, 196716), (169, 187404), (182, 174018), (194, 163254), (273, 116012), (276, 114751), (291, 108836), (299, 105924), (322, 98358), (338, 93702), (364, 87009), (388, 81627), (483, 65572), (507, 62468), (546, 58006), (582, 54418), (598, 52962), (644, 49179), (676, 46851), (679, 46644), (897, 35308), (966, 32786), (1014, 31234), (1092, 29003), (1164, 27209), (1183, 26772), (1196, 26481), (1261, 25116), (1358, 23322), (1794, 17654), (1932, 16393), (2028, 15617), (2037, 15548), (2093, 15132), (2231, 14196), (2366, 13386), (2522, 12558), (2716, 11661), (3549, 8924), (3588, 8827), (3783, 8372), (3887, 8148), (4074, 7774), (4186, 7566), (4462, 7098), (4732, 6693), (5044, 6279)]