218128412

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{7723}}^1$

素因数の和:8057

約数の個数: 24

約数和(自身を含む): 399670656

約数和(自身を除く): 181542244

約数列:

[1, 2, 4, 23, 46, 92, 307, 614, 1228, 7061, 7723, 14122, 15446, 28244, 30892, 177629, 355258, 710516, 2370961, 4741922, 9483844, 54532103, 109064206, 218128412]

約数ペア:

[(1, 218128412), (2, 109064206), (4, 54532103), (23, 9483844), (46, 4741922), (92, 2370961), (307, 710516), (614, 355258), (1228, 177629), (7061, 30892), (7723, 28244), (14122, 15446)]