208907534

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1\times {\mathrm{419}}^1$

素因数の和:736

約数の個数: 32

約数和(自身を含む): 347276160

約数和(自身を除く): 138368626

約数列:

[1, 2, 11, 22, 131, 173, 262, 346, 419, 838, 1441, 1903, 2882, 3806, 4609, 9218, 22663, 45326, 54889, 72487, 109778, 144974, 249293, 498586, 603779, 797357, 1207558, 1594714, 9495797, 18991594, 104453767, 208907534]

約数ペア:

[(1, 208907534), (2, 104453767), (11, 18991594), (22, 9495797), (131, 1594714), (173, 1207558), (262, 797357), (346, 603779), (419, 498586), (838, 249293), (1441, 144974), (1903, 109778), (2882, 72487), (3806, 54889), (4609, 45326), (9218, 22663)]