86781214

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1607}}^1$

素因数の和:1720

約数の個数: 32

約数和(自身を含む): 146958336

約数和(自身を除く): 60177122

約数列:

[1, 2, 13, 26, 31, 62, 67, 134, 403, 806, 871, 1607, 1742, 2077, 3214, 4154, 20891, 27001, 41782, 49817, 54002, 99634, 107669, 215338, 647621, 1295242, 1399697, 2799394, 3337739, 6675478, 43390607, 86781214]

約数ペア:

[(1, 86781214), (2, 43390607), (13, 6675478), (26, 3337739), (31, 2799394), (62, 1399697), (67, 1295242), (134, 647621), (403, 215338), (806, 107669), (871, 99634), (1607, 54002), (1742, 49817), (2077, 41782), (3214, 27001), (4154, 20891)]