257352876

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:633

約数の個数: 120

約数和(自身を含む): 740101824

約数和(自身を除く): 482748948

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 81, 99, 108, 132, 162, 163, 198, 297, 324, 326, 396, 443, 489, 594, 652, 886, 891, 978, 1188, 1329, 1467, 1772, 1782, 1793, 1956, 2658, 2934, 3564, 3586, 3987, 4401, 4873, 5316, 5379, 5868, 7172, 7974, 8802, 9746, 10758, 11961, 13203, 14619, 15948, 16137, 17604, 19492, 21516, 23922, 26406, 29238, 32274, 35883, 43857, 47844, 48411, 52812, 58476, 64548, 71766, 72209, 87714, 96822, 131571, 143532, 144418, 145233, 175428, 193644, 216627, 263142, 288836, 290466, 394713, 433254, 526284, 580932, 649881, 789426, 794299, 866508, 1299762, 1578852, 1588598, 1949643, 2382897, 2599524, 3177196, 3899286, 4765794, 5848929, 7148691, 7798572, 9531588, 11697858, 14297382, 21446073, 23395716, 28594764, 42892146, 64338219, 85784292, 128676438, 257352876]

約数ペア:

[(1, 257352876), (2, 128676438), (3, 85784292), (4, 64338219), (6, 42892146), (9, 28594764), (11, 23395716), (12, 21446073), (18, 14297382), (22, 11697858), (27, 9531588), (33, 7798572), (36, 7148691), (44, 5848929), (54, 4765794), (66, 3899286), (81, 3177196), (99, 2599524), (108, 2382897), (132, 1949643), (162, 1588598), (163, 1578852), (198, 1299762), (297, 866508), (324, 794299), (326, 789426), (396, 649881), (443, 580932), (489, 526284), (594, 433254), (652, 394713), (886, 290466), (891, 288836), (978, 263142), (1188, 216627), (1329, 193644), (1467, 175428), (1772, 145233), (1782, 144418), (1793, 143532), (1956, 131571), (2658, 96822), (2934, 87714), (3564, 72209), (3586, 71766), (3987, 64548), (4401, 58476), (4873, 52812), (5316, 48411), (5379, 47844), (5868, 43857), (7172, 35883), (7974, 32274), (8802, 29238), (9746, 26406), (10758, 23922), (11961, 21516), (13203, 19492), (14619, 17604), (15948, 16137)]