209532967

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2089}}^1$

素因数の和:2215

約数の個数: 24

約数和(自身を含む): 257320800

約数和(自身を除く): 47787833

約数列:

[1, 7, 23, 49, 89, 161, 623, 1127, 2047, 2089, 4361, 14329, 14623, 48047, 100303, 102361, 185921, 336329, 1301447, 2354303, 4276183, 9110129, 29933281, 209532967]

約数ペア:

[(1, 209532967), (7, 29933281), (23, 9110129), (49, 4276183), (89, 2354303), (161, 1301447), (623, 336329), (1127, 185921), (2047, 102361), (2089, 100303), (4361, 48047), (14329, 14623)]