201219458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{2269}}^1$

素因数の和:2450

約数の個数: 32

約数和(自身を含む): 343224000

約数和(自身を除く): 142004542

約数列:

[1, 2, 11, 22, 29, 58, 139, 278, 319, 638, 1529, 2269, 3058, 4031, 4538, 8062, 24959, 44341, 49918, 65801, 88682, 131602, 315391, 630782, 723811, 1447622, 3469301, 6938602, 9146339, 18292678, 100609729, 201219458]

約数ペア:

[(1, 201219458), (2, 100609729), (11, 18292678), (22, 9146339), (29, 6938602), (58, 3469301), (139, 1447622), (278, 723811), (319, 630782), (638, 315391), (1529, 131602), (2269, 88682), (3058, 65801), (4031, 49918), (4538, 44341), (8062, 24959)]