90721345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4093}}^1$

素因数の和:4153

約数の個数: 32

約数和(自身を含む): 132056064

約数和(自身を除く): 41334719

約数列:

[1, 5, 11, 13, 31, 55, 65, 143, 155, 341, 403, 715, 1705, 2015, 4093, 4433, 20465, 22165, 45023, 53209, 126883, 225115, 266045, 585299, 634415, 1395713, 1649479, 2926495, 6978565, 8247395, 18144269, 90721345]

約数ペア:

[(1, 90721345), (5, 18144269), (11, 8247395), (13, 6978565), (31, 2926495), (55, 1649479), (65, 1395713), (143, 634415), (155, 585299), (341, 266045), (403, 225115), (715, 126883), (1705, 53209), (2015, 45023), (4093, 22165), (4433, 20465)]