280016776

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{207113}}^1$

素因数の和:207145

約数の個数: 24

約数和(自身を含む): 568527930

約数和(自身を除く): 288511154

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 207113, 414226, 828452, 1656904, 2692469, 5384938, 10769876, 21539752, 35002097, 70004194, 140008388, 280016776]

約数ペア:

[(1, 280016776), (2, 140008388), (4, 70004194), (8, 35002097), (13, 21539752), (26, 10769876), (52, 5384938), (104, 2692469), (169, 1656904), (338, 828452), (676, 414226), (1352, 207113)]