256119909

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{1103}}^1$

素因数の和:1309

約数の個数: 32

約数和(自身を含む): 376773120

約数和(自身を除く): 120653211

約数列:

[1, 3, 17, 29, 51, 87, 157, 471, 493, 1103, 1479, 2669, 3309, 4553, 8007, 13659, 18751, 31987, 56253, 77401, 95961, 173171, 232203, 519513, 543779, 1631337, 2943907, 5021959, 8831721, 15065877, 85373303, 256119909]

約数ペア:

[(1, 256119909), (3, 85373303), (17, 15065877), (29, 8831721), (51, 5021959), (87, 2943907), (157, 1631337), (471, 543779), (493, 519513), (1103, 232203), (1479, 173171), (2669, 95961), (3309, 77401), (4553, 56253), (8007, 31987), (13659, 18751)]