78636896

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9949}}^1$

素因数の和:9991

約数の個数: 48

約数和(自身を含む): 175518000

約数和(自身を除く): 96881104

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 3952, 7904, 9949, 19898, 39796, 79592, 129337, 159184, 189031, 258674, 318368, 378062, 517348, 756124, 1034696, 1512248, 2069392, 2457403, 3024496, 4138784, 4914806, 6048992, 9829612, 19659224, 39318448, 78636896]

約数ペア:

[(1, 78636896), (2, 39318448), (4, 19659224), (8, 9829612), (13, 6048992), (16, 4914806), (19, 4138784), (26, 3024496), (32, 2457403), (38, 2069392), (52, 1512248), (76, 1034696), (104, 756124), (152, 517348), (208, 378062), (247, 318368), (304, 258674), (416, 189031), (494, 159184), (608, 129337), (988, 79592), (1976, 39796), (3952, 19898), (7904, 9949)]