81738076

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{467}}^1$

素因数の和:551

約数の個数: 72

約数和(自身を含む): 179262720

約数和(自身を除く): 97524644

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 47, 49, 76, 94, 98, 133, 188, 196, 266, 329, 467, 532, 658, 893, 931, 934, 1316, 1786, 1862, 1868, 2303, 3269, 3572, 3724, 4606, 6251, 6538, 8873, 9212, 12502, 13076, 17746, 21949, 22883, 25004, 35492, 43757, 43898, 45766, 62111, 87514, 87796, 91532, 124222, 153643, 175028, 248444, 307286, 417031, 434777, 614572, 834062, 869554, 1075501, 1668124, 1739108, 2151002, 2919217, 4302004, 5838434, 11676868, 20434519, 40869038, 81738076]

約数ペア:

[(1, 81738076), (2, 40869038), (4, 20434519), (7, 11676868), (14, 5838434), (19, 4302004), (28, 2919217), (38, 2151002), (47, 1739108), (49, 1668124), (76, 1075501), (94, 869554), (98, 834062), (133, 614572), (188, 434777), (196, 417031), (266, 307286), (329, 248444), (467, 175028), (532, 153643), (658, 124222), (893, 91532), (931, 87796), (934, 87514), (1316, 62111), (1786, 45766), (1862, 43898), (1868, 43757), (2303, 35492), (3269, 25004), (3572, 22883), (3724, 21949), (4606, 17746), (6251, 13076), (6538, 12502), (8873, 9212)]