1388404774

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1\times {\mathrm{353}}^1$

素因数の和:832

約数の個数: 32

約数和(自身を含む): 2150201664

約数和(自身を除く): 761796890

約数列:

[1, 2, 61, 103, 122, 206, 313, 353, 626, 706, 6283, 12566, 19093, 21533, 32239, 36359, 38186, 43066, 64478, 72718, 110489, 220978, 1966579, 2217899, 3933158, 4435798, 6739829, 11380367, 13479658, 22760734, 694202387, 1388404774]

約数ペア:

[(1, 1388404774), (2, 694202387), (61, 22760734), (103, 13479658), (122, 11380367), (206, 6739829), (313, 4435798), (353, 3933158), (626, 2217899), (706, 1966579), (6283, 220978), (12566, 110489), (19093, 72718), (21533, 64478), (32239, 43066), (36359, 38186)]