1279071808

素因数分解:

$2^6\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{991}}^1$

素因数の和:1120

約数の個数: 112

約数和(自身を含む): 3015553024

約数和(自身を除く): 1736481216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 67, 86, 112, 134, 172, 224, 268, 301, 344, 448, 469, 536, 602, 688, 938, 991, 1072, 1204, 1376, 1876, 1982, 2144, 2408, 2752, 2881, 3752, 3964, 4288, 4816, 5762, 6937, 7504, 7928, 9632, 11524, 13874, 15008, 15856, 19264, 20167, 23048, 27748, 30016, 31712, 40334, 42613, 46096, 55496, 63424, 66397, 80668, 85226, 92192, 110992, 132794, 161336, 170452, 184384, 221984, 265588, 298291, 322672, 340904, 443968, 464779, 531176, 596582, 645344, 681808, 929558, 1062352, 1193164, 1290688, 1363616, 1859116, 2124704, 2386328, 2727232, 2855071, 3718232, 4249408, 4772656, 5710142, 7436464, 9545312, 11420284, 14872928, 19090624, 19985497, 22840568, 29745856, 39970994, 45681136, 79941988, 91362272, 159883976, 182724544, 319767952, 639535904, 1279071808]

約数ペア:

[(1, 1279071808), (2, 639535904), (4, 319767952), (7, 182724544), (8, 159883976), (14, 91362272), (16, 79941988), (28, 45681136), (32, 39970994), (43, 29745856), (56, 22840568), (64, 19985497), (67, 19090624), (86, 14872928), (112, 11420284), (134, 9545312), (172, 7436464), (224, 5710142), (268, 4772656), (301, 4249408), (344, 3718232), (448, 2855071), (469, 2727232), (536, 2386328), (602, 2124704), (688, 1859116), (938, 1363616), (991, 1290688), (1072, 1193164), (1204, 1062352), (1376, 929558), (1876, 681808), (1982, 645344), (2144, 596582), (2408, 531176), (2752, 464779), (2881, 443968), (3752, 340904), (3964, 322672), (4288, 298291), (4816, 265588), (5762, 221984), (6937, 184384), (7504, 170452), (7928, 161336), (9632, 132794), (11524, 110992), (13874, 92192), (15008, 85226), (15856, 80668), (19264, 66397), (20167, 63424), (23048, 55496), (27748, 46096), (30016, 42613), (31712, 40334)]