31990784

素因数分解:

$2^{10}\times 7^1\times {\mathrm{4463}}^1$

素因数の和:4490

約数の個数: 44

約数和(自身を含む): 73102464

約数和(自身を除く): 41111680

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 3584, 4463, 7168, 8926, 17852, 31241, 35704, 62482, 71408, 124964, 142816, 249928, 285632, 499856, 571264, 999712, 1142528, 1999424, 2285056, 3998848, 4570112, 7997696, 15995392, 31990784]

約数ペア:

[(1, 31990784), (2, 15995392), (4, 7997696), (7, 4570112), (8, 3998848), (14, 2285056), (16, 1999424), (28, 1142528), (32, 999712), (56, 571264), (64, 499856), (112, 285632), (128, 249928), (224, 142816), (256, 124964), (448, 71408), (512, 62482), (896, 35704), (1024, 31241), (1792, 17852), (3584, 8926), (4463, 7168)]