71941639

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{541}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 91116704

約数和(自身を除く): 19175065

約数列:

[1, 7, 11, 77, 121, 157, 541, 847, 1099, 1727, 3787, 5951, 12089, 18997, 41657, 65461, 84937, 132979, 458227, 594559, 934307, 6540149, 10277377, 71941639]

約数ペア:

[(1, 71941639), (7, 10277377), (11, 6540149), (77, 934307), (121, 594559), (157, 458227), (541, 132979), (847, 84937), (1099, 65461), (1727, 41657), (3787, 18997), (5951, 12089)]