209831414

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{21407}}^1$

素因数の和:21464

約数の個数: 24

約数和(自身を含む): 352589760

約数和(自身を除く): 142758346

約数列:

[1, 2, 13, 26, 29, 58, 169, 338, 377, 754, 4901, 9802, 21407, 42814, 278291, 556582, 620803, 1241606, 3617783, 7235566, 8070439, 16140878, 104915707, 209831414]

約数ペア:

[(1, 209831414), (2, 104915707), (13, 16140878), (26, 8070439), (29, 7235566), (58, 3617783), (169, 1241606), (338, 620803), (377, 556582), (754, 278291), (4901, 42814), (9802, 21407)]