51158185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{691}}^1$

素因数の和:793

約数の個数: 32

約数和(自身を含む): 71148672

約数和(自身を除く): 19990487

約数列:

[1, 5, 13, 17, 65, 67, 85, 221, 335, 691, 871, 1105, 1139, 3455, 4355, 5695, 8983, 11747, 14807, 44915, 46297, 58735, 74035, 152711, 231485, 601861, 763555, 787049, 3009305, 3935245, 10231637, 51158185]

約数ペア:

[(1, 51158185), (5, 10231637), (13, 3935245), (17, 3009305), (65, 787049), (67, 763555), (85, 601861), (221, 231485), (335, 152711), (691, 74035), (871, 58735), (1105, 46297), (1139, 44915), (3455, 14807), (4355, 11747), (5695, 8983)]