2783139772

素因数分解:

$2^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{281}}^1\times {\mathrm{1277}}^1$

素因数の和:1846

約数の個数: 48

約数和(自身を含む): 5610644928

約数和(自身を除く): 2827505156

約数列:

[1, 2, 4, 7, 14, 28, 277, 281, 554, 562, 1108, 1124, 1277, 1939, 1967, 2554, 3878, 3934, 5108, 7756, 7868, 8939, 17878, 35756, 77837, 155674, 311348, 353729, 358837, 544859, 707458, 717674, 1089718, 1414916, 1435348, 2179436, 2476103, 2511859, 4952206, 5023718, 9904412, 10047436, 99397849, 198795698, 397591396, 695784943, 1391569886, 2783139772]

約数ペア:

[(1, 2783139772), (2, 1391569886), (4, 695784943), (7, 397591396), (14, 198795698), (28, 99397849), (277, 10047436), (281, 9904412), (554, 5023718), (562, 4952206), (1108, 2511859), (1124, 2476103), (1277, 2179436), (1939, 1435348), (1967, 1414916), (2554, 1089718), (3878, 717674), (3934, 707458), (5108, 544859), (7756, 358837), (7868, 353729), (8939, 311348), (17878, 155674), (35756, 77837)]