131368895

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{233}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 183980160

約数和(自身を除く): 52611265

約数列:

[1, 5, 7, 35, 89, 181, 233, 445, 623, 905, 1165, 1267, 1631, 3115, 6335, 8155, 16109, 20737, 42173, 80545, 103685, 112763, 145159, 210865, 295211, 563815, 725795, 1476055, 3753397, 18766985, 26273779, 131368895]

約数ペア:

[(1, 131368895), (5, 26273779), (7, 18766985), (35, 3753397), (89, 1476055), (181, 725795), (233, 563815), (445, 295211), (623, 210865), (905, 145159), (1165, 112763), (1267, 103685), (1631, 80545), (3115, 42173), (6335, 20737), (8155, 16109)]