31381448

素因数分解:

$2^3\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1693}}^1$

素因数の和:2037

約数の個数: 32

約数和(自身を含む): 67488960

約数和(自身を除く): 36107512

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 331, 662, 1324, 1693, 2317, 2648, 3386, 4634, 6772, 9268, 11851, 13544, 18536, 23702, 47404, 94808, 560383, 1120766, 2241532, 3922681, 4483064, 7845362, 15690724, 31381448]

約数ペア:

[(1, 31381448), (2, 15690724), (4, 7845362), (7, 4483064), (8, 3922681), (14, 2241532), (28, 1120766), (56, 560383), (331, 94808), (662, 47404), (1324, 23702), (1693, 18536), (2317, 13544), (2648, 11851), (3386, 9268), (4634, 6772)]