209969386

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{307873}}^1$

素因数の和:307917

約数の個数: 16

約数和(自身を含む): 354670848

約数和(自身を除く): 144701462

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 307873, 615746, 3386603, 6773206, 9544063, 19088126, 104984693, 209969386]

約数ペア:

[(1, 209969386), (2, 104984693), (11, 19088126), (22, 9544063), (31, 6773206), (62, 3386603), (341, 615746), (682, 307873)]