25325138

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 17442862

約数列:

[1, 2, 17, 19, 34, 38, 197, 199, 323, 394, 398, 646, 3349, 3383, 3743, 3781, 6698, 6766, 7486, 7562, 39203, 63631, 64277, 78406, 127262, 128554, 666451, 744857, 1332902, 1489714, 12662569, 25325138]

約数ペア:

[(1, 25325138), (2, 12662569), (17, 1489714), (19, 1332902), (34, 744857), (38, 666451), (197, 128554), (199, 127262), (323, 78406), (394, 64277), (398, 63631), (646, 39203), (3349, 7562), (3383, 7486), (3743, 6766), (3781, 6698)]