77843975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 111957120

約数和(自身を除く): 34113145

約数列:

[1, 5, 11, 25, 29, 43, 55, 145, 215, 227, 275, 319, 473, 725, 1075, 1135, 1247, 1595, 2365, 2497, 5675, 6235, 6583, 7975, 9761, 11825, 12485, 13717, 31175, 32915, 48805, 62425, 68585, 72413, 107371, 164575, 244025, 283069, 342925, 362065, 536855, 1415345, 1810325, 2684275, 3113759, 7076725, 15568795, 77843975]

約数ペア:

[(1, 77843975), (5, 15568795), (11, 7076725), (25, 3113759), (29, 2684275), (43, 1810325), (55, 1415345), (145, 536855), (215, 362065), (227, 342925), (275, 283069), (319, 244025), (473, 164575), (725, 107371), (1075, 72413), (1135, 68585), (1247, 62425), (1595, 48805), (2365, 32915), (2497, 31175), (5675, 13717), (6235, 12485), (6583, 11825), (7975, 9761)]