86439275

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:576

約数の個数: 36

約数和(自身を含む): 119133000

約数和(自身を除く): 32693725

約数列:

[1, 5, 13, 25, 41, 65, 169, 205, 325, 499, 533, 845, 1025, 2495, 2665, 4225, 6487, 6929, 12475, 13325, 20459, 32435, 34645, 84331, 102295, 162175, 173225, 265967, 421655, 511475, 1329835, 2108275, 3457571, 6649175, 17287855, 86439275]

約数ペア:

[(1, 86439275), (5, 17287855), (13, 6649175), (25, 3457571), (41, 2108275), (65, 1329835), (169, 511475), (205, 421655), (325, 265967), (499, 173225), (533, 162175), (845, 102295), (1025, 84331), (2495, 34645), (2665, 32435), (4225, 20459), (6487, 13325), (6929, 12475)]