249951233

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 304791552

約数和(自身を除く): 54840319

約数列:

[1, 7, 31, 53, 103, 211, 217, 371, 721, 1477, 1643, 3193, 5459, 6541, 11183, 11501, 21733, 22351, 38213, 45787, 78281, 152131, 169229, 346673, 673723, 1151849, 1184603, 2426711, 4716061, 8062943, 35707319, 249951233]

約数ペア:

[(1, 249951233), (7, 35707319), (31, 8062943), (53, 4716061), (103, 2426711), (211, 1184603), (217, 1151849), (371, 673723), (721, 346673), (1477, 169229), (1643, 152131), (3193, 78281), (5459, 45787), (6541, 38213), (11183, 22351), (11501, 21733)]