78421336

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1123}}^1$

素因数の和:1208

約数の個数: 64

約数和(自身を含む): 178041600

約数和(自身を除く): 99620264

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 43, 56, 58, 86, 116, 172, 203, 232, 301, 344, 406, 602, 812, 1123, 1204, 1247, 1624, 2246, 2408, 2494, 4492, 4988, 7861, 8729, 8984, 9976, 15722, 17458, 31444, 32567, 34916, 48289, 62888, 65134, 69832, 96578, 130268, 193156, 227969, 260536, 338023, 386312, 455938, 676046, 911876, 1352092, 1400381, 1823752, 2704184, 2800762, 5601524, 9802667, 11203048, 19605334, 39210668, 78421336]

約数ペア:

[(1, 78421336), (2, 39210668), (4, 19605334), (7, 11203048), (8, 9802667), (14, 5601524), (28, 2800762), (29, 2704184), (43, 1823752), (56, 1400381), (58, 1352092), (86, 911876), (116, 676046), (172, 455938), (203, 386312), (232, 338023), (301, 260536), (344, 227969), (406, 193156), (602, 130268), (812, 96578), (1123, 69832), (1204, 65134), (1247, 62888), (1624, 48289), (2246, 34916), (2408, 32567), (2494, 31444), (4492, 17458), (4988, 15722), (7861, 9976), (8729, 8984)]