256436061

素因数分解:

$3^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{8039}}^1$

素因数の和:8094

約数の個数: 32

約数和(自身を含む): 411648000

約数和(自身を除く): 155211939

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 343, 651, 1029, 1519, 4557, 8039, 10633, 24117, 31899, 56273, 168819, 249209, 393911, 747627, 1181733, 1744463, 2757377, 5233389, 8272131, 12211241, 36633723, 85478687, 256436061]

約数ペア:

[(1, 256436061), (3, 85478687), (7, 36633723), (21, 12211241), (31, 8272131), (49, 5233389), (93, 2757377), (147, 1744463), (217, 1181733), (343, 747627), (651, 393911), (1029, 249209), (1519, 168819), (4557, 56273), (8039, 31899), (10633, 24117)]