28426775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1861}}^1$

素因数の和:1931

約数の個数: 24

約数和(自身を含む): 38789184

約数和(自身を除く): 10362409

約数列:

[1, 5, 13, 25, 47, 65, 235, 325, 611, 1175, 1861, 3055, 9305, 15275, 24193, 46525, 87467, 120965, 437335, 604825, 1137071, 2186675, 5685355, 28426775]

約数ペア:

[(1, 28426775), (5, 5685355), (13, 2186675), (25, 1137071), (47, 604825), (65, 437335), (235, 120965), (325, 87467), (611, 46525), (1175, 24193), (1861, 15275), (3055, 9305)]