81158896

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7963}}^1$

素因数の和:7998

約数の個数: 60

約数和(自身を含む): 197013432

約数和(自身を除く): 115854536

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 364, 392, 637, 728, 784, 1274, 1456, 2548, 5096, 7963, 10192, 15926, 31852, 55741, 63704, 103519, 111482, 127408, 207038, 222964, 390187, 414076, 445928, 724633, 780374, 828152, 891856, 1449266, 1560748, 1656304, 2898532, 3121496, 5072431, 5797064, 6242992, 10144862, 11594128, 20289724, 40579448, 81158896]

約数ペア:

[(1, 81158896), (2, 40579448), (4, 20289724), (7, 11594128), (8, 10144862), (13, 6242992), (14, 5797064), (16, 5072431), (26, 3121496), (28, 2898532), (49, 1656304), (52, 1560748), (56, 1449266), (91, 891856), (98, 828152), (104, 780374), (112, 724633), (182, 445928), (196, 414076), (208, 390187), (364, 222964), (392, 207038), (637, 127408), (728, 111482), (784, 103519), (1274, 63704), (1456, 55741), (2548, 31852), (5096, 15926), (7963, 10192)]