28787812

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 56770560

約数和(自身を除く): 27982748

約数列:

[1, 2, 4, 19, 23, 38, 43, 46, 76, 86, 92, 172, 383, 437, 766, 817, 874, 989, 1532, 1634, 1748, 1978, 3268, 3956, 7277, 8809, 14554, 16469, 17618, 18791, 29108, 32938, 35236, 37582, 65876, 75164, 167371, 312911, 334742, 378787, 625822, 669484, 757574, 1251644, 1515148, 7196953, 14393906, 28787812]

約数ペア:

[(1, 28787812), (2, 14393906), (4, 7196953), (19, 1515148), (23, 1251644), (38, 757574), (43, 669484), (46, 625822), (76, 378787), (86, 334742), (92, 312911), (172, 167371), (383, 75164), (437, 65876), (766, 37582), (817, 35236), (874, 32938), (989, 29108), (1532, 18791), (1634, 17618), (1748, 16469), (1978, 14554), (3268, 8809), (3956, 7277)]