40217828

素因数分解:

$2^2\times 7^2\times {\mathrm{449}}^1\times {\mathrm{457}}^1$

素因数の和:924

約数の個数: 36

約数和(自身を含む): 82233900

約数和(自身を除く): 42016072

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 449, 457, 898, 914, 1796, 1828, 3143, 3199, 6286, 6398, 12572, 12796, 22001, 22393, 44002, 44786, 88004, 89572, 205193, 410386, 820772, 1436351, 2872702, 5745404, 10054457, 20108914, 40217828]

約数ペア:

[(1, 40217828), (2, 20108914), (4, 10054457), (7, 5745404), (14, 2872702), (28, 1436351), (49, 820772), (98, 410386), (196, 205193), (449, 89572), (457, 88004), (898, 44786), (914, 44002), (1796, 22393), (1828, 22001), (3143, 12796), (3199, 12572), (6286, 6398)]