1998406

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:303

約数の個数: 16

約数和(自身を含む): 3088800

約数和(自身を除く): 1090394

約数列:

[1, 2, 89, 103, 109, 178, 206, 218, 9167, 9701, 11227, 18334, 19402, 22454, 999203, 1998406]

約数ペア:

[(1, 1998406), (2, 999203), (89, 22454), (103, 19402), (109, 18334), (178, 11227), (206, 9701), (218, 9167)]