209631770

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{511297}}^1$

素因数の和:511345

約数の個数: 16

約数和(自身を含む): 386541288

約数和(自身を除く): 176909518

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 511297, 1022594, 2556485, 5112970, 20963177, 41926354, 104815885, 209631770]

約数ペア:

[(1, 209631770), (2, 104815885), (5, 41926354), (10, 20963177), (41, 5112970), (82, 2556485), (205, 1022594), (410, 511297)]