25902955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 34909056

約数和(自身を除く): 9006101

約数列:

[1, 5, 13, 53, 65, 73, 103, 265, 365, 515, 689, 949, 1339, 3445, 3869, 4745, 5459, 6695, 7519, 19345, 27295, 37595, 50297, 70967, 97747, 251485, 354835, 398507, 488735, 1992535, 5180591, 25902955]

約数ペア:

[(1, 25902955), (5, 5180591), (13, 1992535), (53, 488735), (65, 398507), (73, 354835), (103, 251485), (265, 97747), (365, 70967), (515, 50297), (689, 37595), (949, 27295), (1339, 19345), (3445, 7519), (3869, 6695), (4745, 5459)]