1388222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:811

約数の個数: 16

約数和(自身を含む): 2300400

約数和(自身を除く): 912178

約数列:

[1, 2, 11, 22, 89, 178, 709, 979, 1418, 1958, 7799, 15598, 63101, 126202, 694111, 1388222]

約数ペア:

[(1, 1388222), (2, 694111), (11, 126202), (22, 63101), (89, 15598), (178, 7799), (709, 1958), (979, 1418)]