78978668

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61129}}^1$

素因数の和:61169

約数の個数: 24

約数和(自身を含む): 154047600

約数和(自身を除く): 75068932

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 61129, 122258, 244516, 1039193, 1161451, 2078386, 2322902, 4156772, 4645804, 19744667, 39489334, 78978668]

約数ペア:

[(1, 78978668), (2, 39489334), (4, 19744667), (17, 4645804), (19, 4156772), (34, 2322902), (38, 2078386), (68, 1161451), (76, 1039193), (323, 244516), (646, 122258), (1292, 61129)]