91990225

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1019}}^1$

素因数の和:1209

約数の個数: 24

約数和(自身を含む): 119903040

約数和(自身を除く): 27912815

約数列:

[1, 5, 23, 25, 115, 157, 575, 785, 1019, 3611, 3925, 5095, 18055, 23437, 25475, 90275, 117185, 159983, 585925, 799915, 3679609, 3999575, 18398045, 91990225]

約数ペア:

[(1, 91990225), (5, 18398045), (23, 3999575), (25, 3679609), (115, 799915), (157, 585925), (575, 159983), (785, 117185), (1019, 90275), (3611, 25475), (3925, 23437), (5095, 18055)]