218965768

素因数分解:

$2^3\times 7^1\times {\mathrm{331}}^1\times {\mathrm{11813}}^1$

素因数の和:12157

約数の個数: 32

約数和(自身を含む): 470669760

約数和(自身を除く): 251703992

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 331, 662, 1324, 2317, 2648, 4634, 9268, 11813, 18536, 23626, 47252, 82691, 94504, 165382, 330764, 661528, 3910103, 7820206, 15640412, 27370721, 31280824, 54741442, 109482884, 218965768]

約数ペア:

[(1, 218965768), (2, 109482884), (4, 54741442), (7, 31280824), (8, 27370721), (14, 15640412), (28, 7820206), (56, 3910103), (331, 661528), (662, 330764), (1324, 165382), (2317, 94504), (2648, 82691), (4634, 47252), (9268, 23626), (11813, 18536)]