243722495

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 310210560

約数和(自身を除く): 66488065

約数列:

[1, 5, 43, 47, 89, 215, 235, 271, 445, 1355, 2021, 3827, 4183, 10105, 11653, 12737, 19135, 20915, 24119, 58265, 63685, 120595, 179869, 547691, 899345, 1037117, 1133593, 2738455, 5185585, 5667965, 48744499, 243722495]

約数ペア:

[(1, 243722495), (5, 48744499), (43, 5667965), (47, 5185585), (89, 2738455), (215, 1133593), (235, 1037117), (271, 899345), (445, 547691), (1355, 179869), (2021, 120595), (3827, 63685), (4183, 58265), (10105, 24119), (11653, 20915), (12737, 19135)]