2045280251

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 2704204800

約数和(自身を除く): 658924549

約数列:

[1, 7, 17, 19, 43, 109, 119, 133, 193, 301, 323, 731, 763, 817, 1351, 1853, 2071, 2261, 3281, 3667, 4687, 5117, 5719, 8299, 12971, 13889, 14497, 21037, 22967, 25669, 32809, 35207, 58093, 62339, 79679, 89053, 97223, 141083, 147259, 157681, 246449, 357629, 399703, 436373, 557753, 623371, 904591, 987581, 1103767, 1513901, 2503403, 2680577, 2797921, 6332137, 6794951, 10597307, 15378047, 17187229, 18764039, 47564657, 107646329, 120310603, 292182893, 2045280251]

約数ペア:

[(1, 2045280251), (7, 292182893), (17, 120310603), (19, 107646329), (43, 47564657), (109, 18764039), (119, 17187229), (133, 15378047), (193, 10597307), (301, 6794951), (323, 6332137), (731, 2797921), (763, 2680577), (817, 2503403), (1351, 1513901), (1853, 1103767), (2071, 987581), (2261, 904591), (3281, 623371), (3667, 557753), (4687, 436373), (5117, 399703), (5719, 357629), (8299, 246449), (12971, 157681), (13889, 147259), (14497, 141083), (21037, 97223), (22967, 89053), (25669, 79679), (32809, 62339), (35207, 58093)]