81609275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15619}}^1$

素因数の和:15659

約数の個数: 24

約数和(自身を含む): 116212800

約数和(自身を除く): 34603525

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 5225, 15619, 78095, 171809, 296761, 390475, 859045, 1483805, 3264371, 4295225, 7419025, 16321855, 81609275]

約数ペア:

[(1, 81609275), (5, 16321855), (11, 7419025), (19, 4295225), (25, 3264371), (55, 1483805), (95, 859045), (209, 390475), (275, 296761), (475, 171809), (1045, 78095), (5225, 15619)]