28379426

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 19520734

約数列:

[1, 2, 17, 19, 34, 38, 197, 223, 323, 394, 446, 646, 3349, 3743, 3791, 4237, 6698, 7486, 7582, 8474, 43931, 63631, 72029, 87862, 127262, 144058, 746827, 834689, 1493654, 1669378, 14189713, 28379426]

約数ペア:

[(1, 28379426), (2, 14189713), (17, 1669378), (19, 1493654), (34, 834689), (38, 746827), (197, 144058), (223, 127262), (323, 87862), (394, 72029), (446, 63631), (646, 43931), (3349, 8474), (3743, 7582), (3791, 7486), (4237, 6698)]