71578969

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 93192192

約数和(自身を除く): 21613223

約数列:

[1, 7, 11, 31, 77, 157, 191, 217, 341, 1099, 1337, 1727, 2101, 2387, 4867, 5921, 12089, 14707, 29987, 34069, 41447, 53537, 65131, 209909, 329857, 374759, 455917, 929597, 2308999, 6507179, 10225567, 71578969]

約数ペア:

[(1, 71578969), (7, 10225567), (11, 6507179), (31, 2308999), (77, 929597), (157, 455917), (191, 374759), (217, 329857), (341, 209909), (1099, 65131), (1337, 53537), (1727, 41447), (2101, 34069), (2387, 29987), (4867, 14707), (5921, 12089)]