640147315088

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{8193571}}^1$

素因数の和:8193855

約数の個数: 40

約数和(自身を含む): 1310643777120

約数和(自身を除く): 670496462032

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 257, 304, 514, 1028, 2056, 4112, 4883, 9766, 19532, 39064, 78128, 8193571, 16387142, 32774284, 65548568, 131097136, 155677849, 311355698, 622711396, 1245422792, 2105747747, 2490845584, 4211495494, 8422990988, 16845981976, 33691963952, 40009207193, 80018414386, 160036828772, 320073657544, 640147315088]

約数ペア:

[(1, 640147315088), (2, 320073657544), (4, 160036828772), (8, 80018414386), (16, 40009207193), (19, 33691963952), (38, 16845981976), (76, 8422990988), (152, 4211495494), (257, 2490845584), (304, 2105747747), (514, 1245422792), (1028, 622711396), (2056, 311355698), (4112, 155677849), (4883, 131097136), (9766, 65548568), (19532, 32774284), (39064, 16387142), (78128, 8193571)]