78581776

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1741}}^1$

素因数の和:1800

約数の個数: 80

約数和(自身を含む): 193543168

約数和(自身を除く): 114961392

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 248, 364, 403, 434, 496, 728, 806, 868, 1456, 1612, 1736, 1741, 2821, 3224, 3472, 3482, 5642, 6448, 6964, 11284, 12187, 13928, 22568, 22633, 24374, 27856, 45136, 45266, 48748, 53971, 90532, 97496, 107942, 158431, 181064, 194992, 215884, 316862, 362128, 377797, 431768, 633724, 701623, 755594, 863536, 1267448, 1403246, 1511188, 2534896, 2806492, 3022376, 4911361, 5612984, 6044752, 9822722, 11225968, 19645444, 39290888, 78581776]

約数ペア:

[(1, 78581776), (2, 39290888), (4, 19645444), (7, 11225968), (8, 9822722), (13, 6044752), (14, 5612984), (16, 4911361), (26, 3022376), (28, 2806492), (31, 2534896), (52, 1511188), (56, 1403246), (62, 1267448), (91, 863536), (104, 755594), (112, 701623), (124, 633724), (182, 431768), (208, 377797), (217, 362128), (248, 316862), (364, 215884), (403, 194992), (434, 181064), (496, 158431), (728, 107942), (806, 97496), (868, 90532), (1456, 53971), (1612, 48748), (1736, 45266), (1741, 45136), (2821, 27856), (3224, 24374), (3472, 22633), (3482, 22568), (5642, 13928), (6448, 12187), (6964, 11284)]