140727808

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{21143}}^1$

素因数の和:21174

約数の個数: 40

約数和(自身を含む): 302824368

約数和(自身を除く): 162096560

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 21143, 42286, 84572, 169144, 274859, 338288, 549718, 676576, 1099436, 1353152, 2198872, 2706304, 4397744, 5412608, 8795488, 10825216, 17590976, 35181952, 70363904, 140727808]

約数ペア:

[(1, 140727808), (2, 70363904), (4, 35181952), (8, 17590976), (13, 10825216), (16, 8795488), (26, 5412608), (32, 4397744), (52, 2706304), (64, 2198872), (104, 1353152), (128, 1099436), (208, 676576), (256, 549718), (416, 338288), (512, 274859), (832, 169144), (1664, 84572), (3328, 42286), (6656, 21143)]