51722275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{521}}^1$

素因数の和:580

約数の個数: 36

約数和(自身を含む): 73984104

約数和(自身を除く): 22261829

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 361, 475, 521, 1045, 1805, 2605, 3971, 5225, 5731, 9025, 9899, 13025, 19855, 28655, 49495, 99275, 108889, 143275, 188081, 247475, 544445, 940405, 2068891, 2722225, 4702025, 10344455, 51722275]

約数ペア:

[(1, 51722275), (5, 10344455), (11, 4702025), (19, 2722225), (25, 2068891), (55, 940405), (95, 544445), (209, 247475), (275, 188081), (361, 143275), (475, 108889), (521, 99275), (1045, 49495), (1805, 28655), (2605, 19855), (3971, 13025), (5225, 9899), (5731, 9025)]