201557390

素因数分解:

$2^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{78427}}^1$

素因数の和:78691

約数の個数: 16

約数和(自身を含む): 364219632

約数和(自身を除く): 162662242

約数列:

[1, 2, 5, 10, 257, 514, 1285, 2570, 78427, 156854, 392135, 784270, 20155739, 40311478, 100778695, 201557390]

約数ペア:

[(1, 201557390), (2, 100778695), (5, 40311478), (10, 20155739), (257, 784270), (514, 392135), (1285, 156854), (2570, 78427)]