78990070

素因数分解:

$2^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{45659}}^1$

素因数の和:45839

約数の個数: 16

約数和(自身を含む): 143007120

約数和(自身を除く): 64017050

約数列:

[1, 2, 5, 10, 173, 346, 865, 1730, 45659, 91318, 228295, 456590, 7899007, 15798014, 39495035, 78990070]

約数ペア:

[(1, 78990070), (2, 39495035), (5, 15798014), (10, 7899007), (173, 456590), (346, 228295), (865, 91318), (1730, 45659)]