31531984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1847}}^1$

素因数の和:1963

約数の個数: 40

約数和(自身を含む): 67370688

約数和(自身を除く): 35838704

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 97, 176, 194, 388, 776, 1067, 1552, 1847, 2134, 3694, 4268, 7388, 8536, 14776, 17072, 20317, 29552, 40634, 81268, 162536, 179159, 325072, 358318, 716636, 1433272, 1970749, 2866544, 3941498, 7882996, 15765992, 31531984]

約数ペア:

[(1, 31531984), (2, 15765992), (4, 7882996), (8, 3941498), (11, 2866544), (16, 1970749), (22, 1433272), (44, 716636), (88, 358318), (97, 325072), (176, 179159), (194, 162536), (388, 81268), (776, 40634), (1067, 29552), (1552, 20317), (1847, 17072), (2134, 14776), (3694, 8536), (4268, 7388)]