81419232

素因数分解:

$2^5\times 3^1\times {\mathrm{643}}^1\times {\mathrm{1319}}^1$

素因数の和:1975

約数の個数: 48

約数和(自身を含む): 214220160

約数和(自身を除く): 132800928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 643, 1286, 1319, 1929, 2572, 2638, 3858, 3957, 5144, 5276, 7716, 7914, 10288, 10552, 15432, 15828, 20576, 21104, 30864, 31656, 42208, 61728, 63312, 126624, 848117, 1696234, 2544351, 3392468, 5088702, 6784936, 10177404, 13569872, 20354808, 27139744, 40709616, 81419232]

約数ペア:

[(1, 81419232), (2, 40709616), (3, 27139744), (4, 20354808), (6, 13569872), (8, 10177404), (12, 6784936), (16, 5088702), (24, 3392468), (32, 2544351), (48, 1696234), (96, 848117), (643, 126624), (1286, 63312), (1319, 61728), (1929, 42208), (2572, 31656), (2638, 30864), (3858, 21104), (3957, 20576), (5144, 15828), (5276, 15432), (7716, 10552), (7914, 10288)]