12780821974

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1\times {\mathrm{370609}}^1$

素因数の和:371055

約数の個数: 16

約数和(自身を含む): 19666049040

約数和(自身を除く): 6885227066

約数列:

[1, 2, 43, 86, 401, 802, 17243, 34486, 370609, 741218, 15936187, 31872374, 148614209, 297228418, 6390410987, 12780821974]

約数ペア:

[(1, 12780821974), (2, 6390410987), (43, 297228418), (86, 148614209), (401, 31872374), (802, 15936187), (17243, 741218), (34486, 370609)]