20161819975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{523}}^1\times {\mathrm{1361}}^1$

素因数の和:2008

約数の個数: 48

約数和(自身を含む): 27611161344

約数和(自身を除く): 7449341369

約数列:

[1, 5, 11, 25, 55, 103, 275, 515, 523, 1133, 1361, 2575, 2615, 5665, 5753, 6805, 13075, 14971, 28325, 28765, 34025, 53869, 74855, 140183, 143825, 269345, 374275, 592559, 700915, 711803, 1346725, 1542013, 2962795, 3504575, 3559015, 7710065, 7829833, 14813975, 17795075, 38550325, 39149165, 73315709, 195745825, 366578545, 806472799, 1832892725, 4032363995, 20161819975]

約数ペア:

[(1, 20161819975), (5, 4032363995), (11, 1832892725), (25, 806472799), (55, 366578545), (103, 195745825), (275, 73315709), (515, 39149165), (523, 38550325), (1133, 17795075), (1361, 14813975), (2575, 7829833), (2615, 7710065), (5665, 3559015), (5753, 3504575), (6805, 2962795), (13075, 1542013), (14971, 1346725), (28325, 711803), (28765, 700915), (34025, 592559), (53869, 374275), (74855, 269345), (140183, 143825)]