208075609

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{809}}^1$

素因数の和:1033

約数の個数: 24

約数和(自身を含む): 252088200

約数和(自身を除く): 44012591

約数列:

[1, 7, 29, 49, 181, 203, 809, 1267, 1421, 5249, 5663, 8869, 23461, 36743, 39641, 146429, 164227, 257201, 1025003, 1149589, 4246441, 7175021, 29725087, 208075609]

約数ペア:

[(1, 208075609), (7, 29725087), (29, 7175021), (49, 4246441), (181, 1149589), (203, 1025003), (809, 257201), (1267, 164227), (1421, 146429), (5249, 39641), (5663, 36743), (8869, 23461)]