207878405

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{4673}}^1$

素因数の和:4757

約数の個数: 32

約数和(自身を含む): 301529088

約数和(自身を除く): 93650683

約数列:

[1, 5, 7, 31, 35, 41, 155, 205, 217, 287, 1085, 1271, 1435, 4673, 6355, 8897, 23365, 32711, 44485, 144863, 163555, 191593, 724315, 957965, 1014041, 1341151, 5070205, 5939383, 6705755, 29696915, 41575681, 207878405]

約数ペア:

[(1, 207878405), (5, 41575681), (7, 29696915), (31, 6705755), (35, 5939383), (41, 5070205), (155, 1341151), (205, 1014041), (217, 957965), (287, 724315), (1085, 191593), (1271, 163555), (1435, 144863), (4673, 44485), (6355, 32711), (8897, 23365)]