128966156

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 260575728

約数和(自身を除く): 131609572

約数列:

[1, 2, 4, 11, 22, 41, 44, 67, 82, 97, 121, 134, 164, 194, 242, 268, 388, 451, 484, 737, 902, 1067, 1474, 1804, 2134, 2747, 2948, 3977, 4268, 4961, 5494, 6499, 7954, 8107, 9922, 10988, 11737, 12998, 15908, 16214, 19844, 23474, 25996, 30217, 32428, 43747, 46948, 60434, 71489, 87494, 120868, 142978, 174988, 266459, 285956, 332387, 481217, 532918, 664774, 786379, 962434, 1065836, 1329548, 1572758, 1924868, 2931049, 3145516, 5862098, 11724196, 32241539, 64483078, 128966156]

約数ペア:

[(1, 128966156), (2, 64483078), (4, 32241539), (11, 11724196), (22, 5862098), (41, 3145516), (44, 2931049), (67, 1924868), (82, 1572758), (97, 1329548), (121, 1065836), (134, 962434), (164, 786379), (194, 664774), (242, 532918), (268, 481217), (388, 332387), (451, 285956), (484, 266459), (737, 174988), (902, 142978), (1067, 120868), (1474, 87494), (1804, 71489), (2134, 60434), (2747, 46948), (2948, 43747), (3977, 32428), (4268, 30217), (4961, 25996), (5494, 23474), (6499, 19844), (7954, 16214), (8107, 15908), (9922, 12998), (10988, 11737)]