54393965

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{27823}}^1$

素因数の和:27868

約数の個数: 16

約数和(自身を含む): 72119808

約数和(自身を除く): 17725843

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 27823, 139115, 472991, 639929, 2364955, 3199645, 10878793, 54393965]

約数ペア:

[(1, 54393965), (5, 10878793), (17, 3199645), (23, 2364955), (85, 639929), (115, 472991), (391, 139115), (1955, 27823)]