90820886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{401}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 152361216

約数和(自身を除く): 61540330

約数列:

[1, 2, 13, 26, 31, 62, 281, 401, 403, 562, 802, 806, 3653, 5213, 7306, 8711, 10426, 12431, 17422, 24862, 112681, 113243, 161603, 225362, 226486, 323206, 1464853, 2929706, 3493111, 6986222, 45410443, 90820886]

約数ペア:

[(1, 90820886), (2, 45410443), (13, 6986222), (26, 3493111), (31, 2929706), (62, 1464853), (281, 323206), (401, 226486), (403, 225362), (562, 161603), (802, 113243), (806, 112681), (3653, 24862), (5213, 17422), (7306, 12431), (8711, 10426)]