51251255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 69189120

約数和(自身を除く): 17937865

約数列:

[1, 5, 11, 55, 83, 103, 109, 415, 515, 545, 913, 1133, 1199, 4565, 5665, 5995, 8549, 9047, 11227, 42745, 45235, 56135, 94039, 99517, 123497, 470195, 497585, 617485, 931841, 4659205, 10250251, 51251255]

約数ペア:

[(1, 51251255), (5, 10250251), (11, 4659205), (55, 931841), (83, 617485), (103, 497585), (109, 470195), (415, 123497), (515, 99517), (545, 94039), (913, 56135), (1133, 45235), (1199, 42745), (4565, 11227), (5665, 9047), (5995, 8549)]