2878438

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:351

約数の個数: 16

約数和(自身を含む): 4436640

約数和(自身を除く): 1558202

約数列:

[1, 2, 89, 103, 157, 178, 206, 314, 9167, 13973, 16171, 18334, 27946, 32342, 1439219, 2878438]

約数ペア:

[(1, 2878438), (2, 1439219), (89, 32342), (103, 27946), (157, 18334), (178, 16171), (206, 13973), (314, 9167)]