289940105

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{91033}}^1$

素因数の和:91065

約数の個数: 24

約数和(自身を含む): 435870792

約数和(自身を除く): 145930687

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 91033, 455165, 637231, 1183429, 3186155, 4460617, 5917145, 8284003, 22303085, 41420015, 57988021, 289940105]

約数ペア:

[(1, 289940105), (5, 57988021), (7, 41420015), (13, 22303085), (35, 8284003), (49, 5917145), (65, 4460617), (91, 3186155), (245, 1183429), (455, 637231), (637, 455165), (3185, 91033)]