42490987

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2543}}^1$

素因数の和:2599

約数の個数: 24

約数和(自身を含む): 55683072

約数和(自身を除く): 13192085

約数列:

[1, 7, 11, 31, 49, 77, 217, 341, 539, 1519, 2387, 2543, 16709, 17801, 27973, 78833, 124607, 195811, 551831, 867163, 1370677, 3862817, 6070141, 42490987]

約数ペア:

[(1, 42490987), (7, 6070141), (11, 3862817), (31, 1370677), (49, 867163), (77, 551831), (217, 195811), (341, 124607), (539, 78833), (1519, 27973), (2387, 17801), (2543, 16709)]