208423938

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{390307}}^1$

素因数の和:390401

約数の個数: 16

約数和(自身を含む): 421532640

約数和(自身を除く): 213108702

約数列:

[1, 2, 3, 6, 89, 178, 267, 534, 390307, 780614, 1170921, 2341842, 34737323, 69474646, 104211969, 208423938]

約数ペア:

[(1, 208423938), (2, 104211969), (3, 69474646), (6, 34737323), (89, 2341842), (178, 1170921), (267, 780614), (534, 390307)]