31097216

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 67858560

約数和(自身を除く): 36761344

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 128, 136, 248, 272, 461, 496, 527, 544, 922, 992, 1054, 1088, 1844, 1984, 2108, 2176, 3688, 3968, 4216, 7376, 7837, 8432, 14291, 14752, 15674, 16864, 28582, 29504, 31348, 33728, 57164, 59008, 62696, 67456, 114328, 125392, 228656, 242947, 250784, 457312, 485894, 501568, 914624, 971788, 1003136, 1829248, 1943576, 3887152, 7774304, 15548608, 31097216]

約数ペア:

[(1, 31097216), (2, 15548608), (4, 7774304), (8, 3887152), (16, 1943576), (17, 1829248), (31, 1003136), (32, 971788), (34, 914624), (62, 501568), (64, 485894), (68, 457312), (124, 250784), (128, 242947), (136, 228656), (248, 125392), (272, 114328), (461, 67456), (496, 62696), (527, 59008), (544, 57164), (922, 33728), (992, 31348), (1054, 29504), (1088, 28582), (1844, 16864), (1984, 15674), (2108, 14752), (2176, 14291), (3688, 8432), (3968, 7837), (4216, 7376)]