161716511716

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{1721}}^1\times {\mathrm{385109}}^1$

素因数の和:386895

約数の個数: 24

約数和(自身を含む): 287811188280

約数和(自身を除く): 126094676564

約数列:

[1, 2, 4, 61, 122, 244, 1721, 3442, 6884, 104981, 209962, 385109, 419924, 770218, 1540436, 23491649, 46983298, 93966596, 662772589, 1325545178, 2651090356, 40429127929, 80858255858, 161716511716]

約数ペア:

[(1, 161716511716), (2, 80858255858), (4, 40429127929), (61, 2651090356), (122, 1325545178), (244, 662772589), (1721, 93966596), (3442, 46983298), (6884, 23491649), (104981, 1540436), (209962, 770218), (385109, 419924)]