71481844

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{12959}}^1$

素因数の和:13167

約数の個数: 24

約数和(自身を含む): 143700480

約数和(自身を除く): 72218636

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 5516, 12959, 25918, 51836, 90713, 181426, 362852, 2552923, 5105846, 10211692, 17870461, 35740922, 71481844]

約数ペア:

[(1, 71481844), (2, 35740922), (4, 17870461), (7, 10211692), (14, 5105846), (28, 2552923), (197, 362852), (394, 181426), (788, 90713), (1379, 51836), (2758, 25918), (5516, 12959)]