81778814210

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{79396907}}^1$

素因数の和:79397017

約数の個数: 16

約数和(自身を含む): 148631011776

約数和(自身を除く): 66852197566

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 79396907, 158793814, 396984535, 793969070, 8177881421, 16355762842, 40889407105, 81778814210]

約数ペア:

[(1, 81778814210), (2, 40889407105), (5, 16355762842), (10, 8177881421), (103, 793969070), (206, 396984535), (515, 158793814), (1030, 79396907)]