220428026

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 422489088

約数和(自身を除く): 202061062

約数列:

[1, 2, 7, 13, 14, 26, 47, 73, 91, 94, 146, 182, 329, 353, 511, 611, 658, 706, 949, 1022, 1222, 1898, 2471, 3431, 4277, 4589, 4942, 6643, 6862, 8554, 9178, 13286, 16591, 24017, 25769, 32123, 33182, 44603, 48034, 51538, 64246, 89206, 116137, 180383, 215683, 232274, 312221, 334997, 360766, 431366, 624442, 669994, 1211143, 1509781, 2344979, 2422286, 3019562, 4689958, 8478001, 15744859, 16956002, 31489718, 110214013, 220428026]

約数ペア:

[(1, 220428026), (2, 110214013), (7, 31489718), (13, 16956002), (14, 15744859), (26, 8478001), (47, 4689958), (73, 3019562), (91, 2422286), (94, 2344979), (146, 1509781), (182, 1211143), (329, 669994), (353, 624442), (511, 431366), (611, 360766), (658, 334997), (706, 312221), (949, 232274), (1022, 215683), (1222, 180383), (1898, 116137), (2471, 89206), (3431, 64246), (4277, 51538), (4589, 48034), (4942, 44603), (6643, 33182), (6862, 32123), (8554, 25769), (9178, 24017), (13286, 16591)]