31931984

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:604

約数の個数: 80

約数和(自身を含む): 77423616

約数和(自身を除く): 45491632

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 34, 56, 62, 68, 112, 119, 124, 136, 217, 238, 248, 272, 434, 476, 496, 527, 541, 868, 952, 1054, 1082, 1736, 1904, 2108, 2164, 3472, 3689, 3787, 4216, 4328, 7378, 7574, 8432, 8656, 9197, 14756, 15148, 16771, 18394, 29512, 30296, 33542, 36788, 59024, 60592, 64379, 67084, 73576, 117397, 128758, 134168, 147152, 234794, 257516, 268336, 285107, 469588, 515032, 570214, 939176, 1030064, 1140428, 1878352, 1995749, 2280856, 3991498, 4561712, 7982996, 15965992, 31931984]

約数ペア:

[(1, 31931984), (2, 15965992), (4, 7982996), (7, 4561712), (8, 3991498), (14, 2280856), (16, 1995749), (17, 1878352), (28, 1140428), (31, 1030064), (34, 939176), (56, 570214), (62, 515032), (68, 469588), (112, 285107), (119, 268336), (124, 257516), (136, 234794), (217, 147152), (238, 134168), (248, 128758), (272, 117397), (434, 73576), (476, 67084), (496, 64379), (527, 60592), (541, 59024), (868, 36788), (952, 33542), (1054, 30296), (1082, 29512), (1736, 18394), (1904, 16771), (2108, 15148), (2164, 14756), (3472, 9197), (3689, 8656), (3787, 8432), (4216, 7574), (4328, 7378)]