28776916

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3581}}^1$

素因数の和:3640

約数の個数: 36

約数和(自身を含む): 60027156

約数和(自身を除く): 31250240

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 574, 1148, 2009, 3581, 4018, 7162, 8036, 14324, 25067, 50134, 100268, 146821, 175469, 293642, 350938, 587284, 701876, 1027747, 2055494, 4110988, 7194229, 14388458, 28776916]

約数ペア:

[(1, 28776916), (2, 14388458), (4, 7194229), (7, 4110988), (14, 2055494), (28, 1027747), (41, 701876), (49, 587284), (82, 350938), (98, 293642), (164, 175469), (196, 146821), (287, 100268), (574, 50134), (1148, 25067), (2009, 14324), (3581, 8036), (4018, 7162)]