28433975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1931}}^1$

素因数の和:1991

約数の個数: 24

約数和(自身を含む): 38330880

約数和(自身を除く): 9896905

約数列:

[1, 5, 19, 25, 31, 95, 155, 475, 589, 775, 1931, 2945, 9655, 14725, 36689, 48275, 59861, 183445, 299305, 917225, 1137359, 1496525, 5686795, 28433975]

約数ペア:

[(1, 28433975), (5, 5686795), (19, 1496525), (25, 1137359), (31, 917225), (95, 299305), (155, 183445), (475, 59861), (589, 48275), (775, 36689), (1931, 14725), (2945, 9655)]