28430224

素因数分解:

$2^4\times {\mathrm{31}}^2\times {\mathrm{43}}^2$

素因数の和:156

約数の個数: 45

約数和(自身を含む): 58272219

約数和(自身を除く): 29841995

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 124, 172, 248, 344, 496, 688, 961, 1333, 1849, 1922, 2666, 3698, 3844, 5332, 7396, 7688, 10664, 14792, 15376, 21328, 29584, 41323, 57319, 82646, 114638, 165292, 229276, 330584, 458552, 661168, 917104, 1776889, 3553778, 7107556, 14215112, 28430224]

約数ペア:

[(1, 28430224), (2, 14215112), (4, 7107556), (8, 3553778), (16, 1776889), (31, 917104), (43, 661168), (62, 458552), (86, 330584), (124, 229276), (172, 165292), (248, 114638), (344, 82646), (496, 57319), (688, 41323), (961, 29584), (1333, 21328), (1849, 15376), (1922, 14792), (2666, 10664), (3698, 7688), (3844, 7396)]