28204069971

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{359}}^1\times {\mathrm{1879}}^1$

素因数の和:2440

約数の個数: 64

約数和(自身を含む): 47300198400

約数和(自身を除く): 19096128429

約数列:

[1, 3, 7, 11, 21, 33, 77, 181, 231, 359, 543, 1077, 1267, 1879, 1991, 2513, 3801, 3949, 5637, 5973, 7539, 11847, 13153, 13937, 20669, 27643, 39459, 41811, 62007, 64979, 82929, 144683, 194937, 340099, 434049, 454853, 674561, 714769, 1020297, 1364559, 2023683, 2144307, 2380693, 3741089, 4721927, 5003383, 7142079, 7420171, 11223267, 14165781, 15010149, 22260513, 26187623, 51941197, 78562869, 122095541, 155823591, 366286623, 854668787, 1343050951, 2564006361, 4029152853, 9401356657, 28204069971]

約数ペア:

[(1, 28204069971), (3, 9401356657), (7, 4029152853), (11, 2564006361), (21, 1343050951), (33, 854668787), (77, 366286623), (181, 155823591), (231, 122095541), (359, 78562869), (543, 51941197), (1077, 26187623), (1267, 22260513), (1879, 15010149), (1991, 14165781), (2513, 11223267), (3801, 7420171), (3949, 7142079), (5637, 5003383), (5973, 4721927), (7539, 3741089), (11847, 2380693), (13153, 2144307), (13937, 2023683), (20669, 1364559), (27643, 1020297), (39459, 714769), (41811, 674561), (62007, 454853), (64979, 434049), (82929, 340099), (144683, 194937)]