78384845

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2789}}^1$

素因数の和:2885

約数の個数: 32

約数和(自身を含む): 118920960

約数和(自身を除く): 40536115

約数列:

[1, 5, 7, 11, 35, 55, 73, 77, 365, 385, 511, 803, 2555, 2789, 4015, 5621, 13945, 19523, 28105, 30679, 97615, 153395, 203597, 214753, 1017985, 1073765, 1425179, 2239567, 7125895, 11197835, 15676969, 78384845]

約数ペア:

[(1, 78384845), (5, 15676969), (7, 11197835), (11, 7125895), (35, 2239567), (55, 1425179), (73, 1073765), (77, 1017985), (365, 214753), (385, 203597), (511, 153395), (803, 97615), (2555, 30679), (2789, 28105), (4015, 19523), (5621, 13945)]