898991705

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{823}}^1$

素因数の和:1097

約数の個数: 32

約数和(自身を含む): 1166151168

約数和(自身を除く): 267159463

約数列:

[1, 5, 17, 71, 85, 181, 355, 823, 905, 1207, 3077, 4115, 6035, 12851, 13991, 15385, 58433, 64255, 69955, 148963, 218467, 292165, 744815, 993361, 1092335, 2532371, 4966805, 10576373, 12661855, 52881865, 179798341, 898991705]

約数ペア:

[(1, 898991705), (5, 179798341), (17, 52881865), (71, 12661855), (85, 10576373), (181, 4966805), (355, 2532371), (823, 1092335), (905, 993361), (1207, 744815), (3077, 292165), (4115, 218467), (6035, 148963), (12851, 69955), (13991, 64255), (15385, 58433)]