661168

素因数分解:

$2^4\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:113

約数の個数: 30

約数和(自身を含む): 1354452

約数和(自身を除く): 693284

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 124, 172, 248, 344, 496, 688, 961, 1333, 1922, 2666, 3844, 5332, 7688, 10664, 15376, 21328, 41323, 82646, 165292, 330584, 661168]

約数ペア:

[(1, 661168), (2, 330584), (4, 165292), (8, 82646), (16, 41323), (31, 21328), (43, 15376), (62, 10664), (86, 7688), (124, 5332), (172, 3844), (248, 2666), (344, 1922), (496, 1333), (688, 961)]