78898765

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{457}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 107369856

約数和(自身を除く): 28471091

約数列:

[1, 5, 11, 43, 55, 73, 215, 365, 457, 473, 803, 2285, 2365, 3139, 4015, 5027, 15695, 19651, 25135, 33361, 34529, 98255, 166805, 172645, 216161, 366971, 1080805, 1434523, 1834855, 7172615, 15779753, 78898765]

約数ペア:

[(1, 78898765), (5, 15779753), (11, 7172615), (43, 1834855), (55, 1434523), (73, 1080805), (215, 366971), (365, 216161), (457, 172645), (473, 166805), (803, 98255), (2285, 34529), (2365, 33361), (3139, 25135), (4015, 19651), (5027, 15695)]