81547565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 115891776

約数和(自身を除く): 34344211

約数列:

[1, 5, 11, 29, 41, 43, 55, 145, 205, 215, 319, 451, 473, 841, 1189, 1247, 1595, 1763, 2255, 2365, 4205, 5945, 6235, 8815, 9251, 13079, 13717, 19393, 34481, 36163, 46255, 51127, 65395, 68585, 96965, 172405, 180815, 255635, 379291, 397793, 562397, 1482683, 1896455, 1988965, 2811985, 7413415, 16309513, 81547565]

約数ペア:

[(1, 81547565), (5, 16309513), (11, 7413415), (29, 2811985), (41, 1988965), (43, 1896455), (55, 1482683), (145, 562397), (205, 397793), (215, 379291), (319, 255635), (451, 180815), (473, 172405), (841, 96965), (1189, 68585), (1247, 65395), (1595, 51127), (1763, 46255), (2255, 36163), (2365, 34481), (4205, 19393), (5945, 13717), (6235, 13079), (8815, 9251)]