251905648

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{828637}}^1$

素因数の和:828664

約数の個数: 20

約数和(自身を含む): 513755560

約数和(自身を除く): 261849912

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 828637, 1657274, 3314548, 6629096, 13258192, 15744103, 31488206, 62976412, 125952824, 251905648]

約数ペア:

[(1, 251905648), (2, 125952824), (4, 62976412), (8, 31488206), (16, 15744103), (19, 13258192), (38, 6629096), (76, 3314548), (152, 1657274), (304, 828637)]