13491775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:783

約数の個数: 24

約数和(自身を含む): 18534528

約数和(自身を除く): 5042753

約数列:

[1, 5, 11, 25, 55, 71, 275, 355, 691, 781, 1775, 3455, 3905, 7601, 17275, 19525, 38005, 49061, 190025, 245305, 539671, 1226525, 2698355, 13491775]

約数ペア:

[(1, 13491775), (5, 2698355), (11, 1226525), (25, 539671), (55, 245305), (71, 190025), (275, 49061), (355, 38005), (691, 19525), (781, 17275), (1775, 7601), (3455, 3905)]