78394855

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1531}}^1$

素因数の和:1580

約数の個数: 48

約数和(自身を含む): 125746560

約数和(自身を除く): 47351705

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 77, 95, 133, 209, 245, 385, 539, 665, 931, 1045, 1463, 1531, 2695, 4655, 7315, 7655, 10241, 10717, 16841, 29089, 51205, 53585, 75019, 84205, 117887, 145445, 203623, 319979, 375095, 589435, 825209, 1018115, 1425361, 1599895, 2239853, 4126045, 7126805, 11199265, 15678971, 78394855]

約数ペア:

[(1, 78394855), (5, 15678971), (7, 11199265), (11, 7126805), (19, 4126045), (35, 2239853), (49, 1599895), (55, 1425361), (77, 1018115), (95, 825209), (133, 589435), (209, 375095), (245, 319979), (385, 203623), (539, 145445), (665, 117887), (931, 84205), (1045, 75019), (1463, 53585), (1531, 51205), (2695, 29089), (4655, 16841), (7315, 10717), (7655, 10241)]