39978876

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20693}}^1$

素因数の和:20730

約数の個数: 48

約数和(自身を含む): 111250944

約数和(自身を除く): 71272068

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 483, 644, 966, 1932, 20693, 41386, 62079, 82772, 124158, 144851, 248316, 289702, 434553, 475939, 579404, 869106, 951878, 1427817, 1738212, 1903756, 2855634, 3331573, 5711268, 6663146, 9994719, 13326292, 19989438, 39978876]

約数ペア:

[(1, 39978876), (2, 19989438), (3, 13326292), (4, 9994719), (6, 6663146), (7, 5711268), (12, 3331573), (14, 2855634), (21, 1903756), (23, 1738212), (28, 1427817), (42, 951878), (46, 869106), (69, 579404), (84, 475939), (92, 434553), (138, 289702), (161, 248316), (276, 144851), (322, 124158), (483, 82772), (644, 62079), (966, 41386), (1932, 20693)]