71611892

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{18287}}^1$

素因数の和:18391

約数の個数: 24

約数和(自身を含む): 138257280

約数和(自身を除く): 66645388

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 18287, 36574, 73148, 201157, 402314, 804628, 1627543, 3255086, 6510172, 17902973, 35805946, 71611892]

約数ペア:

[(1, 71611892), (2, 35805946), (4, 17902973), (11, 6510172), (22, 3255086), (44, 1627543), (89, 804628), (178, 402314), (356, 201157), (979, 73148), (1958, 36574), (3916, 18287)]