31051925

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 40235520

約数和(自身を除く): 9183595

約数列:

[1, 5, 25, 31, 103, 155, 389, 515, 775, 1945, 2575, 3193, 9725, 12059, 15965, 40067, 60295, 79825, 200335, 301475, 1001675, 1242077, 6210385, 31051925]

約数ペア:

[(1, 31051925), (5, 6210385), (25, 1242077), (31, 1001675), (103, 301475), (155, 200335), (389, 79825), (515, 60295), (775, 40067), (1945, 15965), (2575, 12059), (3193, 9725)]