401348878

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{6653}}^1$

素因数の和:6832

約数の個数: 32

約数和(自身を含む): 715438080

約数和(自身を除く): 314089202

約数列:

[1, 2, 7, 14, 31, 62, 139, 217, 278, 434, 973, 1946, 4309, 6653, 8618, 13306, 30163, 46571, 60326, 93142, 206243, 412486, 924767, 1443701, 1849534, 2887402, 6473369, 12946738, 28667777, 57335554, 200674439, 401348878]

約数ペア:

[(1, 401348878), (2, 200674439), (7, 57335554), (14, 28667777), (31, 12946738), (62, 6473369), (139, 2887402), (217, 1849534), (278, 1443701), (434, 924767), (973, 412486), (1946, 206243), (4309, 93142), (6653, 60326), (8618, 46571), (13306, 30163)]