128721824

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1$

素因数の和:491

約数の個数: 144

約数和(自身を含む): 341288640

約数和(自身を除く): 212566816

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 32, 34, 44, 49, 56, 68, 77, 88, 98, 112, 119, 136, 154, 176, 187, 196, 224, 238, 272, 308, 352, 374, 392, 439, 476, 539, 544, 616, 748, 784, 833, 878, 952, 1078, 1232, 1309, 1496, 1568, 1666, 1756, 1904, 2156, 2464, 2618, 2992, 3073, 3332, 3512, 3808, 4312, 4829, 5236, 5984, 6146, 6664, 7024, 7463, 8624, 9163, 9658, 10472, 12292, 13328, 14048, 14926, 17248, 18326, 19316, 20944, 21511, 24584, 26656, 29852, 33803, 36652, 38632, 41888, 43022, 49168, 52241, 59704, 67606, 73304, 77264, 82093, 86044, 98336, 104482, 119408, 135212, 146608, 154528, 164186, 172088, 208964, 236621, 238816, 270424, 293216, 328372, 344176, 365687, 417928, 473242, 540848, 574651, 656744, 688352, 731374, 835856, 946484, 1081696, 1149302, 1313488, 1462748, 1671712, 1892968, 2298604, 2626976, 2925496, 3785936, 4022557, 4597208, 5850992, 7571872, 8045114, 9194416, 11701984, 16090228, 18388832, 32180456, 64360912, 128721824]

約数ペア:

[(1, 128721824), (2, 64360912), (4, 32180456), (7, 18388832), (8, 16090228), (11, 11701984), (14, 9194416), (16, 8045114), (17, 7571872), (22, 5850992), (28, 4597208), (32, 4022557), (34, 3785936), (44, 2925496), (49, 2626976), (56, 2298604), (68, 1892968), (77, 1671712), (88, 1462748), (98, 1313488), (112, 1149302), (119, 1081696), (136, 946484), (154, 835856), (176, 731374), (187, 688352), (196, 656744), (224, 574651), (238, 540848), (272, 473242), (308, 417928), (352, 365687), (374, 344176), (392, 328372), (439, 293216), (476, 270424), (539, 238816), (544, 236621), (616, 208964), (748, 172088), (784, 164186), (833, 154528), (878, 146608), (952, 135212), (1078, 119408), (1232, 104482), (1309, 98336), (1496, 86044), (1568, 82093), (1666, 77264), (1756, 73304), (1904, 67606), (2156, 59704), (2464, 52241), (2618, 49168), (2992, 43022), (3073, 41888), (3332, 38632), (3512, 36652), (3808, 33803), (4312, 29852), (4829, 26656), (5236, 24584), (5984, 21511), (6146, 20944), (6664, 19316), (7024, 18326), (7463, 17248), (8624, 14926), (9163, 14048), (9658, 13328), (10472, 12292)]