28279404

素因数分解:

$2^2\times 3^2\times {\mathrm{809}}^1\times {\mathrm{971}}^1$

素因数の和:1790

約数の個数: 36

約数和(自身を含む): 71646120

約数和(自身を除く): 43366716

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 809, 971, 1618, 1942, 2427, 2913, 3236, 3884, 4854, 5826, 7281, 8739, 9708, 11652, 14562, 17478, 29124, 34956, 785539, 1571078, 2356617, 3142156, 4713234, 7069851, 9426468, 14139702, 28279404]

約数ペア:

[(1, 28279404), (2, 14139702), (3, 9426468), (4, 7069851), (6, 4713234), (9, 3142156), (12, 2356617), (18, 1571078), (36, 785539), (809, 34956), (971, 29124), (1618, 17478), (1942, 14562), (2427, 11652), (2913, 9708), (3236, 8739), (3884, 7281), (4854, 5826)]