321456136

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{727}}^1\times {\mathrm{2909}}^1$

素因数の和:3661

約数の個数: 32

約数和(自身を含む): 635544000

約数和(自身を除く): 314087864

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 727, 1454, 2908, 2909, 5816, 5818, 11636, 13813, 23272, 27626, 55252, 55271, 110504, 110542, 221084, 442168, 2114843, 4229686, 8459372, 16918744, 40182017, 80364034, 160728068, 321456136]

約数ペア:

[(1, 321456136), (2, 160728068), (4, 80364034), (8, 40182017), (19, 16918744), (38, 8459372), (76, 4229686), (152, 2114843), (727, 442168), (1454, 221084), (2908, 110542), (2909, 110504), (5816, 55271), (5818, 55252), (11636, 27626), (13813, 23272)]