31791872

素因数分解:

$2^8\times 7^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 73633056

約数和(自身を除く): 41841184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 113, 128, 157, 224, 226, 256, 314, 448, 452, 628, 791, 896, 904, 1099, 1256, 1582, 1792, 1808, 2198, 2512, 3164, 3616, 4396, 5024, 6328, 7232, 8792, 10048, 12656, 14464, 17584, 17741, 20096, 25312, 28928, 35168, 35482, 40192, 50624, 70336, 70964, 101248, 124187, 140672, 141928, 202496, 248374, 281344, 283856, 496748, 567712, 993496, 1135424, 1986992, 2270848, 3973984, 4541696, 7947968, 15895936, 31791872]

約数ペア:

[(1, 31791872), (2, 15895936), (4, 7947968), (7, 4541696), (8, 3973984), (14, 2270848), (16, 1986992), (28, 1135424), (32, 993496), (56, 567712), (64, 496748), (112, 283856), (113, 281344), (128, 248374), (157, 202496), (224, 141928), (226, 140672), (256, 124187), (314, 101248), (448, 70964), (452, 70336), (628, 50624), (791, 40192), (896, 35482), (904, 35168), (1099, 28928), (1256, 25312), (1582, 20096), (1792, 17741), (1808, 17584), (2198, 14464), (2512, 12656), (3164, 10048), (3616, 8792), (4396, 7232), (5024, 6328)]