71823745

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1249}}^1$

素因数の和:1345

約数の個数: 32

約数和(自身を含む): 103680000

約数和(自身を除く): 31856255

約数列:

[1, 5, 7, 31, 35, 53, 155, 217, 265, 371, 1085, 1249, 1643, 1855, 6245, 8215, 8743, 11501, 38719, 43715, 57505, 66197, 193595, 271033, 330985, 463379, 1355165, 2052107, 2316895, 10260535, 14364749, 71823745]

約数ペア:

[(1, 71823745), (5, 14364749), (7, 10260535), (31, 2316895), (35, 2052107), (53, 1355165), (155, 463379), (217, 330985), (265, 271033), (371, 193595), (1085, 66197), (1249, 57505), (1643, 43715), (1855, 38719), (6245, 11501), (8215, 8743)]