1861892285

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1\times {\mathrm{1201}}^1$

素因数の和:1685

約数の個数: 32

約数和(自身を含む): 2480004864

約数和(自身を除く): 618112579

約数列:

[1, 5, 11, 55, 71, 355, 397, 781, 1201, 1985, 3905, 4367, 6005, 13211, 21835, 28187, 66055, 85271, 140935, 310057, 426355, 476797, 937981, 1550285, 2383985, 4689905, 5244767, 26223835, 33852587, 169262935, 372378457, 1861892285]

約数ペア:

[(1, 1861892285), (5, 372378457), (11, 169262935), (55, 33852587), (71, 26223835), (355, 5244767), (397, 4689905), (781, 2383985), (1201, 1550285), (1985, 937981), (3905, 476797), (4367, 426355), (6005, 310057), (13211, 140935), (21835, 85271), (28187, 66055)]