660290428

素因数分解:

$2^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{83921}}^1$

素因数の和:84213

約数の個数: 24

約数和(自身を含む): 1325296224

約数和(自身を除く): 665005796

約数列:

[1, 2, 4, 7, 14, 28, 281, 562, 1124, 1967, 3934, 7868, 83921, 167842, 335684, 587447, 1174894, 2349788, 23581801, 47163602, 94327204, 165072607, 330145214, 660290428]

約数ペア:

[(1, 660290428), (2, 330145214), (4, 165072607), (7, 94327204), (14, 47163602), (28, 23581801), (281, 2349788), (562, 1174894), (1124, 587447), (1967, 335684), (3934, 167842), (7868, 83921)]