215660478

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{2339}}^1$

素因数の和:2493

約数の個数: 48

約数和(自身を含む): 478033920

約数和(自身を除く): 262373442

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 121, 127, 242, 254, 363, 381, 726, 762, 1397, 2339, 2794, 4191, 4678, 7017, 8382, 14034, 15367, 25729, 30734, 46101, 51458, 77187, 92202, 154374, 283019, 297053, 566038, 594106, 849057, 891159, 1698114, 1782318, 3267583, 6535166, 9802749, 19605498, 35943413, 71886826, 107830239, 215660478]

約数ペア:

[(1, 215660478), (2, 107830239), (3, 71886826), (6, 35943413), (11, 19605498), (22, 9802749), (33, 6535166), (66, 3267583), (121, 1782318), (127, 1698114), (242, 891159), (254, 849057), (363, 594106), (381, 566038), (726, 297053), (762, 283019), (1397, 154374), (2339, 92202), (2794, 77187), (4191, 51458), (4678, 46101), (7017, 30734), (8382, 25729), (14034, 15367)]