79781408

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:155

約数の個数: 144

約数和(自身を含む): 200894904

約数和(自身を除く): 121113496

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 41, 49, 56, 68, 73, 82, 98, 112, 119, 136, 146, 164, 196, 224, 238, 272, 287, 292, 328, 392, 476, 511, 544, 574, 584, 656, 697, 784, 833, 952, 1022, 1148, 1168, 1241, 1312, 1394, 1568, 1666, 1904, 2009, 2044, 2296, 2336, 2482, 2788, 2993, 3332, 3577, 3808, 4018, 4088, 4592, 4879, 4964, 5576, 5986, 6664, 7154, 8036, 8176, 8687, 9184, 9758, 9928, 11152, 11972, 13328, 14308, 16072, 16352, 17374, 19516, 19856, 20951, 22304, 23944, 26656, 28616, 32144, 34153, 34748, 39032, 39712, 41902, 47888, 50881, 57232, 60809, 64288, 68306, 69496, 78064, 83804, 95776, 101762, 114464, 121618, 136612, 138992, 146657, 156128, 167608, 203524, 243236, 273224, 277984, 293314, 335216, 356167, 407048, 486472, 546448, 586628, 670432, 712334, 814096, 972944, 1092896, 1173256, 1424668, 1628192, 1945888, 2346512, 2493169, 2849336, 4693024, 4986338, 5698672, 9972676, 11397344, 19945352, 39890704, 79781408]

約数ペア:

[(1, 79781408), (2, 39890704), (4, 19945352), (7, 11397344), (8, 9972676), (14, 5698672), (16, 4986338), (17, 4693024), (28, 2849336), (32, 2493169), (34, 2346512), (41, 1945888), (49, 1628192), (56, 1424668), (68, 1173256), (73, 1092896), (82, 972944), (98, 814096), (112, 712334), (119, 670432), (136, 586628), (146, 546448), (164, 486472), (196, 407048), (224, 356167), (238, 335216), (272, 293314), (287, 277984), (292, 273224), (328, 243236), (392, 203524), (476, 167608), (511, 156128), (544, 146657), (574, 138992), (584, 136612), (656, 121618), (697, 114464), (784, 101762), (833, 95776), (952, 83804), (1022, 78064), (1148, 69496), (1168, 68306), (1241, 64288), (1312, 60809), (1394, 57232), (1568, 50881), (1666, 47888), (1904, 41902), (2009, 39712), (2044, 39032), (2296, 34748), (2336, 34153), (2482, 32144), (2788, 28616), (2993, 26656), (3332, 23944), (3577, 22304), (3808, 20951), (4018, 19856), (4088, 19516), (4592, 17374), (4879, 16352), (4964, 16072), (5576, 14308), (5986, 13328), (6664, 11972), (7154, 11152), (8036, 9928), (8176, 9758), (8687, 9184)]