257162994

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{1663}}^1$

素因数の和:1764

約数の個数: 72

約数和(自身を含む): 621444096

約数和(自身を除く): 364281102

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 71, 99, 121, 142, 198, 213, 242, 363, 426, 639, 726, 781, 1089, 1278, 1562, 1663, 2178, 2343, 3326, 4686, 4989, 7029, 8591, 9978, 14058, 14967, 17182, 18293, 25773, 29934, 36586, 51546, 54879, 77319, 109758, 118073, 154638, 164637, 201223, 236146, 329274, 354219, 402446, 603669, 708438, 1062657, 1207338, 1298803, 1811007, 2125314, 2597606, 3622014, 3896409, 7792818, 11689227, 14286833, 23378454, 28573666, 42860499, 85720998, 128581497, 257162994]

約数ペア:

[(1, 257162994), (2, 128581497), (3, 85720998), (6, 42860499), (9, 28573666), (11, 23378454), (18, 14286833), (22, 11689227), (33, 7792818), (66, 3896409), (71, 3622014), (99, 2597606), (121, 2125314), (142, 1811007), (198, 1298803), (213, 1207338), (242, 1062657), (363, 708438), (426, 603669), (639, 402446), (726, 354219), (781, 329274), (1089, 236146), (1278, 201223), (1562, 164637), (1663, 154638), (2178, 118073), (2343, 109758), (3326, 77319), (4686, 54879), (4989, 51546), (7029, 36586), (8591, 29934), (9978, 25773), (14058, 18293), (14967, 17182)]