2218205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1301}}^1$

素因数の和:1348

約数の個数: 16

約数和(自身を含む): 2999808

約数和(自身を除く): 781603

約数列:

[1, 5, 11, 31, 55, 155, 341, 1301, 1705, 6505, 14311, 40331, 71555, 201655, 443641, 2218205]

約数ペア:

[(1, 2218205), (5, 443641), (11, 201655), (31, 71555), (55, 40331), (155, 14311), (341, 6505), (1301, 1705)]