2780456

素因数分解:

$2^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 6248340

約数和(自身を除く): 3467884

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 49, 56, 82, 98, 164, 173, 196, 287, 328, 346, 392, 574, 692, 1148, 1211, 1384, 2009, 2296, 2422, 4018, 4844, 7093, 8036, 8477, 9688, 14186, 16072, 16954, 28372, 33908, 49651, 56744, 67816, 99302, 198604, 347557, 397208, 695114, 1390228, 2780456]

約数ペア:

[(1, 2780456), (2, 1390228), (4, 695114), (7, 397208), (8, 347557), (14, 198604), (28, 99302), (41, 67816), (49, 56744), (56, 49651), (82, 33908), (98, 28372), (164, 16954), (173, 16072), (196, 14186), (287, 9688), (328, 8477), (346, 8036), (392, 7093), (574, 4844), (692, 4018), (1148, 2422), (1211, 2296), (1384, 2009)]