218500254

素因数分解:

$2^1\times 3^6\times 7^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:377

約数の個数: 112

約数和(自身を含む): 570808320

約数和(自身を除く): 352308066

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 79, 81, 126, 158, 162, 189, 237, 243, 271, 378, 474, 486, 542, 553, 567, 711, 729, 813, 1106, 1134, 1422, 1458, 1626, 1659, 1701, 1897, 2133, 2439, 3318, 3402, 3794, 4266, 4878, 4977, 5103, 5691, 6399, 7317, 9954, 10206, 11382, 12798, 14634, 14931, 17073, 19197, 21409, 21951, 29862, 34146, 38394, 42818, 43902, 44793, 51219, 57591, 64227, 65853, 89586, 102438, 115182, 128454, 131706, 134379, 149863, 153657, 192681, 197559, 268758, 299726, 307314, 385362, 395118, 403137, 449589, 460971, 578043, 806274, 899178, 921942, 1156086, 1348767, 1382913, 1734129, 2697534, 2765826, 3468258, 4046301, 5202387, 8092602, 10404774, 12138903, 15607161, 24277806, 31214322, 36416709, 72833418, 109250127, 218500254]

約数ペア:

[(1, 218500254), (2, 109250127), (3, 72833418), (6, 36416709), (7, 31214322), (9, 24277806), (14, 15607161), (18, 12138903), (21, 10404774), (27, 8092602), (42, 5202387), (54, 4046301), (63, 3468258), (79, 2765826), (81, 2697534), (126, 1734129), (158, 1382913), (162, 1348767), (189, 1156086), (237, 921942), (243, 899178), (271, 806274), (378, 578043), (474, 460971), (486, 449589), (542, 403137), (553, 395118), (567, 385362), (711, 307314), (729, 299726), (813, 268758), (1106, 197559), (1134, 192681), (1422, 153657), (1458, 149863), (1626, 134379), (1659, 131706), (1701, 128454), (1897, 115182), (2133, 102438), (2439, 89586), (3318, 65853), (3402, 64227), (3794, 57591), (4266, 51219), (4878, 44793), (4977, 43902), (5103, 42818), (5691, 38394), (6399, 34146), (7317, 29862), (9954, 21951), (10206, 21409), (11382, 19197), (12798, 17073), (14634, 14931)]