31271636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 64012032

約数和(自身を除く): 32740396

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 97, 187, 194, 374, 388, 431, 748, 862, 1067, 1649, 1724, 2134, 3298, 4268, 4741, 6596, 7327, 9482, 14654, 18139, 18964, 29308, 36278, 41807, 72556, 80597, 83614, 161194, 167228, 322388, 459877, 710719, 919754, 1421438, 1839508, 2842876, 7817909, 15635818, 31271636]

約数ペア:

[(1, 31271636), (2, 15635818), (4, 7817909), (11, 2842876), (17, 1839508), (22, 1421438), (34, 919754), (44, 710719), (68, 459877), (97, 322388), (187, 167228), (194, 161194), (374, 83614), (388, 80597), (431, 72556), (748, 41807), (862, 36278), (1067, 29308), (1649, 18964), (1724, 18139), (2134, 14654), (3298, 9482), (4268, 7327), (4741, 6596)]