1977764545

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{31321}}^1$

素因数の和:31572

約数の個数: 16

約数和(自身を含む): 2419812432

約数和(自身を除く): 442047887

約数列:

[1, 5, 73, 173, 365, 865, 12629, 31321, 63145, 156605, 2286433, 5418533, 11432165, 27092665, 395552909, 1977764545]

約数ペア:

[(1, 1977764545), (5, 395552909), (73, 27092665), (173, 11432165), (365, 5418533), (865, 2286433), (12629, 156605), (31321, 63145)]