1389401858

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1373}}^1\times {\mathrm{38921}}^1$

素因数の和:40309

約数の個数: 16

約数和(自身を含む): 2246110776

約数和(自身を除く): 856708918

約数列:

[1, 2, 13, 26, 1373, 2746, 17849, 35698, 38921, 77842, 505973, 1011946, 53438533, 106877066, 694700929, 1389401858]

約数ペア:

[(1, 1389401858), (2, 694700929), (13, 106877066), (26, 53438533), (1373, 1011946), (2746, 505973), (17849, 77842), (35698, 38921)]