209664388

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{733}}^1\times {\mathrm{1663}}^1$

素因数の和:2443

約数の個数: 24

約数和(自身を含む): 376183808

約数和(自身を除く): 166519420

約数列:

[1, 2, 4, 43, 86, 172, 733, 1466, 1663, 2932, 3326, 6652, 31519, 63038, 71509, 126076, 143018, 286036, 1218979, 2437958, 4875916, 52416097, 104832194, 209664388]

約数ペア:

[(1, 209664388), (2, 104832194), (4, 52416097), (43, 4875916), (86, 2437958), (172, 1218979), (733, 286036), (1466, 143018), (1663, 126076), (2932, 71509), (3326, 63038), (6652, 31519)]