217811858

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{373}}^1$

素因数の和:543

約数の個数: 48

約数和(自身を含む): 382018560

約数和(自身を除く): 164206702

約数列:

[1, 2, 11, 19, 22, 38, 121, 127, 209, 242, 254, 373, 418, 746, 1397, 2299, 2413, 2794, 4103, 4598, 4826, 7087, 8206, 14174, 15367, 26543, 30734, 45133, 47371, 53086, 77957, 90266, 94742, 155914, 291973, 521081, 583946, 857527, 900049, 1042162, 1715054, 1800098, 5731891, 9900539, 11463782, 19801078, 108905929, 217811858]

約数ペア:

[(1, 217811858), (2, 108905929), (11, 19801078), (19, 11463782), (22, 9900539), (38, 5731891), (121, 1800098), (127, 1715054), (209, 1042162), (242, 900049), (254, 857527), (373, 583946), (418, 521081), (746, 291973), (1397, 155914), (2299, 94742), (2413, 90266), (2794, 77957), (4103, 53086), (4598, 47371), (4826, 45133), (7087, 30734), (8206, 26543), (14174, 15367)]