81109784

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{76231}}^1$

素因数の和:76263

約数の個数: 32

約数和(自身を含む): 182956800

約数和(自身を除く): 101847016

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 76231, 152462, 304924, 533617, 609848, 1067234, 1448389, 2134468, 2896778, 4268936, 5793556, 10138723, 11587112, 20277446, 40554892, 81109784]

約数ペア:

[(1, 81109784), (2, 40554892), (4, 20277446), (7, 11587112), (8, 10138723), (14, 5793556), (19, 4268936), (28, 2896778), (38, 2134468), (56, 1448389), (76, 1067234), (133, 609848), (152, 533617), (266, 304924), (532, 152462), (1064, 76231)]