28395575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2131}}^1$

素因数の和:2195

約数の個数: 24

約数和(自身を含む): 38862096

約数和(自身を除く): 10466521

約数列:

[1, 5, 13, 25, 41, 65, 205, 325, 533, 1025, 2131, 2665, 10655, 13325, 27703, 53275, 87371, 138515, 436855, 692575, 1135823, 2184275, 5679115, 28395575]

約数ペア:

[(1, 28395575), (5, 5679115), (13, 2184275), (25, 1135823), (41, 692575), (65, 436855), (205, 138515), (325, 87371), (533, 53275), (1025, 27703), (2131, 13325), (2665, 10655)]