66477616

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{244403}}^1$

素因数の和:244428

約数の個数: 20

約数和(自身を含む): 136377432

約数和(自身を除く): 69899816

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 244403, 488806, 977612, 1955224, 3910448, 4154851, 8309702, 16619404, 33238808, 66477616]

約数ペア:

[(1, 66477616), (2, 33238808), (4, 16619404), (8, 8309702), (16, 4154851), (17, 3910448), (34, 1955224), (68, 977612), (136, 488806), (272, 244403)]