212347548

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{280883}}^1$

素因数の和:280903

約数の個数: 48

約数和(自身を含む): 629180160

約数和(自身を除く): 416832612

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 280883, 561766, 842649, 1123532, 1685298, 1966181, 2527947, 3370596, 3932362, 5055894, 5898543, 7583841, 7864724, 10111788, 11797086, 15167682, 17695629, 23594172, 30335364, 35391258, 53086887, 70782516, 106173774, 212347548]

約数ペア:

[(1, 212347548), (2, 106173774), (3, 70782516), (4, 53086887), (6, 35391258), (7, 30335364), (9, 23594172), (12, 17695629), (14, 15167682), (18, 11797086), (21, 10111788), (27, 7864724), (28, 7583841), (36, 5898543), (42, 5055894), (54, 3932362), (63, 3370596), (84, 2527947), (108, 1966181), (126, 1685298), (189, 1123532), (252, 842649), (378, 561766), (756, 280883)]