256650239997

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{4409}}^1\times {\mathrm{380461}}^1$

素因数の和:384893

約数の個数: 24

約数和(自身を含む): 392613956280

約数和(自身を除く): 135963716283

約数列:

[1, 3, 9, 17, 51, 153, 4409, 13227, 39681, 74953, 224859, 380461, 674577, 1141383, 3424149, 6467837, 19403511, 58210533, 1677452549, 5032357647, 15097072941, 28516693333, 85550079999, 256650239997]

約数ペア:

[(1, 256650239997), (3, 85550079999), (9, 28516693333), (17, 15097072941), (51, 5032357647), (153, 1677452549), (4409, 58210533), (13227, 19403511), (39681, 6467837), (74953, 3424149), (224859, 1141383), (380461, 674577)]