28131992

素因数分解:

$2^3\times 7^1\times {\mathrm{691}}^1\times {\mathrm{727}}^1$

素因数の和:1431

約数の個数: 32

約数和(自身を含む): 60453120

約数和(自身を除く): 32321128

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 691, 727, 1382, 1454, 2764, 2908, 4837, 5089, 5528, 5816, 9674, 10178, 19348, 20356, 38696, 40712, 502357, 1004714, 2009428, 3516499, 4018856, 7032998, 14065996, 28131992]

約数ペア:

[(1, 28131992), (2, 14065996), (4, 7032998), (7, 4018856), (8, 3516499), (14, 2009428), (28, 1004714), (56, 502357), (691, 40712), (727, 38696), (1382, 20356), (1454, 19348), (2764, 10178), (2908, 9674), (4837, 5816), (5089, 5528)]