2648828

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 6021120

約数和(自身を除く): 3372292

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 383, 494, 532, 766, 988, 1532, 1729, 2681, 3458, 4979, 5362, 6916, 7277, 9958, 10724, 14554, 19916, 29108, 34853, 50939, 69706, 94601, 101878, 139412, 189202, 203756, 378404, 662207, 1324414, 2648828]

約数ペア:

[(1, 2648828), (2, 1324414), (4, 662207), (7, 378404), (13, 203756), (14, 189202), (19, 139412), (26, 101878), (28, 94601), (38, 69706), (52, 50939), (76, 34853), (91, 29108), (133, 19916), (182, 14554), (247, 10724), (266, 9958), (364, 7277), (383, 6916), (494, 5362), (532, 4979), (766, 3458), (988, 2681), (1532, 1729)]