56287465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{21121}}^1$

素因数の和:21180

約数の個数: 16

約数和(自身を含む): 74518416

約数和(自身を除く): 18230951

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 21121, 105605, 274573, 865961, 1372865, 4329805, 11257493, 56287465]

約数ペア:

[(1, 56287465), (5, 11257493), (13, 4329805), (41, 1372865), (65, 865961), (205, 274573), (533, 105605), (2665, 21121)]