209225401

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2179}}^1$

素因数の和:2269

約数の個数: 32

約数和(自身を含む): 276249600

約数和(自身を除く): 67024199

約数列:

[1, 7, 11, 29, 43, 77, 203, 301, 319, 473, 1247, 2179, 2233, 3311, 8729, 13717, 15253, 23969, 63191, 93697, 96019, 167783, 442337, 655879, 695101, 1030667, 2717213, 4865707, 7214669, 19020491, 29889343, 209225401]

約数ペア:

[(1, 209225401), (7, 29889343), (11, 19020491), (29, 7214669), (43, 4865707), (77, 2717213), (203, 1030667), (301, 695101), (319, 655879), (473, 442337), (1247, 167783), (2179, 96019), (2233, 93697), (3311, 63191), (8729, 23969), (13717, 15253)]