207820144

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{271}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 475969536

約数和(自身を除く): 268149392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 167, 271, 287, 328, 334, 542, 574, 656, 668, 1084, 1148, 1169, 1336, 1897, 2168, 2296, 2338, 2672, 3794, 4336, 4592, 4676, 6847, 7588, 9352, 11111, 13694, 15176, 18704, 22222, 27388, 30352, 44444, 45257, 47929, 54776, 77777, 88888, 90514, 95858, 109552, 155554, 177776, 181028, 191716, 311108, 316799, 362056, 383432, 622216, 633598, 724112, 766864, 1244432, 1267196, 1855537, 2534392, 3711074, 5068784, 7422148, 12988759, 14844296, 25977518, 29688592, 51955036, 103910072, 207820144]

約数ペア:

[(1, 207820144), (2, 103910072), (4, 51955036), (7, 29688592), (8, 25977518), (14, 14844296), (16, 12988759), (28, 7422148), (41, 5068784), (56, 3711074), (82, 2534392), (112, 1855537), (164, 1267196), (167, 1244432), (271, 766864), (287, 724112), (328, 633598), (334, 622216), (542, 383432), (574, 362056), (656, 316799), (668, 311108), (1084, 191716), (1148, 181028), (1169, 177776), (1336, 155554), (1897, 109552), (2168, 95858), (2296, 90514), (2338, 88888), (2672, 77777), (3794, 54776), (4336, 47929), (4592, 45257), (4676, 44444), (6847, 30352), (7588, 27388), (9352, 22222), (11111, 18704), (13694, 15176)]