78864155

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 104755200

約数和(自身を除く): 25891045

約数列:

[1, 5, 19, 31, 61, 95, 155, 305, 439, 589, 1159, 1891, 2195, 2945, 5795, 8341, 9455, 13609, 26779, 35929, 41705, 68045, 133895, 179645, 258571, 508801, 830149, 1292855, 2544005, 4150745, 15772831, 78864155]

約数ペア:

[(1, 78864155), (5, 15772831), (19, 4150745), (31, 2544005), (61, 1292855), (95, 830149), (155, 508801), (305, 258571), (439, 179645), (589, 133895), (1159, 68045), (1891, 41705), (2195, 35929), (2945, 26779), (5795, 13609), (8341, 9455)]