25949456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1709}}^1$

素因数の和:1803

約数の個数: 40

約数和(自身を含む): 54918360

約数和(自身を除く): 28968904

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 208, 292, 584, 949, 1168, 1709, 1898, 3418, 3796, 6836, 7592, 13672, 15184, 22217, 27344, 44434, 88868, 124757, 177736, 249514, 355472, 499028, 998056, 1621841, 1996112, 3243682, 6487364, 12974728, 25949456]

約数ペア:

[(1, 25949456), (2, 12974728), (4, 6487364), (8, 3243682), (13, 1996112), (16, 1621841), (26, 998056), (52, 499028), (73, 355472), (104, 249514), (146, 177736), (208, 124757), (292, 88868), (584, 44434), (949, 27344), (1168, 22217), (1709, 15184), (1898, 13672), (3418, 7592), (3796, 6836)]