28688396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 57214080

約数和(自身を除く): 28525684

約数列:

[1, 2, 4, 11, 22, 43, 44, 59, 86, 118, 172, 236, 257, 473, 514, 649, 946, 1028, 1298, 1892, 2537, 2596, 2827, 5074, 5654, 10148, 11051, 11308, 15163, 22102, 27907, 30326, 44204, 55814, 60652, 111628, 121561, 166793, 243122, 333586, 486244, 652009, 667172, 1304018, 2608036, 7172099, 14344198, 28688396]

約数ペア:

[(1, 28688396), (2, 14344198), (4, 7172099), (11, 2608036), (22, 1304018), (43, 667172), (44, 652009), (59, 486244), (86, 333586), (118, 243122), (172, 166793), (236, 121561), (257, 111628), (473, 60652), (514, 55814), (649, 44204), (946, 30326), (1028, 27907), (1298, 22102), (1892, 15163), (2537, 11308), (2596, 11051), (2827, 10148), (5074, 5654)]