64492070

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1\times {\mathrm{311}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 118272960

約数和(自身を除く): 53780890

約数列:

[1, 2, 5, 10, 89, 178, 233, 311, 445, 466, 622, 890, 1165, 1555, 2330, 3110, 20737, 27679, 41474, 55358, 72463, 103685, 138395, 144926, 207370, 276790, 362315, 724630, 6449207, 12898414, 32246035, 64492070]

約数ペア:

[(1, 64492070), (2, 32246035), (5, 12898414), (10, 6449207), (89, 724630), (178, 362315), (233, 276790), (311, 207370), (445, 144926), (466, 138395), (622, 103685), (890, 72463), (1165, 55358), (1555, 41474), (2330, 27679), (3110, 20737)]