289570814

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{1297}}^1$

素因数の和:1620

約数の個数: 32

約数和(自身を含む): 484974336

約数和(自身を除く): 195403522

約数列:

[1, 2, 13, 26, 31, 62, 277, 403, 554, 806, 1297, 2594, 3601, 7202, 8587, 16861, 17174, 33722, 40207, 80414, 111631, 223262, 359269, 522691, 718538, 1045382, 4670497, 9340994, 11137339, 22274678, 144785407, 289570814]

約数ペア:

[(1, 289570814), (2, 144785407), (13, 22274678), (26, 11137339), (31, 9340994), (62, 4670497), (277, 1045382), (403, 718538), (554, 522691), (806, 359269), (1297, 223262), (2594, 111631), (3601, 80414), (7202, 40207), (8587, 33722), (16861, 17174)]