68270215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1993}}^1$

素因数の和:2059

約数の個数: 32

約数和(自身を含む): 96477696

約数和(自身を除く): 28207481

約数列:

[1, 5, 13, 17, 31, 65, 85, 155, 221, 403, 527, 1105, 1993, 2015, 2635, 6851, 9965, 25909, 33881, 34255, 61783, 129545, 169405, 308915, 440453, 803179, 1050311, 2202265, 4015895, 5251555, 13654043, 68270215]

約数ペア:

[(1, 68270215), (5, 13654043), (13, 5251555), (17, 4015895), (31, 2202265), (65, 1050311), (85, 803179), (155, 440453), (221, 308915), (403, 169405), (527, 129545), (1105, 61783), (1993, 34255), (2015, 33881), (2635, 25909), (6851, 9965)]