31479416

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 60464880

約数和(自身を除く): 28985464

約数列:

[1, 2, 4, 8, 61, 122, 244, 251, 257, 488, 502, 514, 1004, 1028, 2008, 2056, 15311, 15677, 30622, 31354, 61244, 62708, 64507, 122488, 125416, 129014, 258028, 516056, 3934927, 7869854, 15739708, 31479416]

約数ペア:

[(1, 31479416), (2, 15739708), (4, 7869854), (8, 3934927), (61, 516056), (122, 258028), (244, 129014), (251, 125416), (257, 122488), (488, 64507), (502, 62708), (514, 61244), (1004, 31354), (1028, 30622), (2008, 15677), (2056, 15311)]