81925728

素因数分解:

$2^5\times 3^1\times {\mathrm{647}}^1\times {\mathrm{1319}}^1$

素因数の和:1979

約数の個数: 48

約数和(自身を含む): 215550720

約数和(自身を除く): 133624992

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 647, 1294, 1319, 1941, 2588, 2638, 3882, 3957, 5176, 5276, 7764, 7914, 10352, 10552, 15528, 15828, 20704, 21104, 31056, 31656, 42208, 62112, 63312, 126624, 853393, 1706786, 2560179, 3413572, 5120358, 6827144, 10240716, 13654288, 20481432, 27308576, 40962864, 81925728]

約数ペア:

[(1, 81925728), (2, 40962864), (3, 27308576), (4, 20481432), (6, 13654288), (8, 10240716), (12, 6827144), (16, 5120358), (24, 3413572), (32, 2560179), (48, 1706786), (96, 853393), (647, 126624), (1294, 63312), (1319, 62112), (1941, 42208), (2588, 31656), (2638, 31056), (3882, 21104), (3957, 20704), (5176, 15828), (5276, 15528), (7764, 10552), (7914, 10352)]