817648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{3931}}^1$

素因数の和:3952

約数の個数: 20

約数和(自身を含む): 1706488

約数和(自身を除く): 888840

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 3931, 7862, 15724, 31448, 51103, 62896, 102206, 204412, 408824, 817648]

約数ペア:

[(1, 817648), (2, 408824), (4, 204412), (8, 102206), (13, 62896), (16, 51103), (26, 31448), (52, 15724), (104, 7862), (208, 3931)]