26442890

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{647}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 49175424

約数和(自身を除く): 22732534

約数列:

[1, 2, 5, 10, 61, 67, 122, 134, 305, 335, 610, 647, 670, 1294, 3235, 4087, 6470, 8174, 20435, 39467, 40870, 43349, 78934, 86698, 197335, 216745, 394670, 433490, 2644289, 5288578, 13221445, 26442890]

約数ペア:

[(1, 26442890), (2, 13221445), (5, 5288578), (10, 2644289), (61, 433490), (67, 394670), (122, 216745), (134, 197335), (305, 86698), (335, 78934), (610, 43349), (647, 40870), (670, 39467), (1294, 20435), (3235, 8174), (4087, 6470)]