90205458

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:467

約数の個数: 64

約数和(自身を含む): 211915008

約数和(自身を除く): 121709550

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 137, 183, 257, 274, 366, 411, 427, 514, 771, 822, 854, 959, 1281, 1542, 1799, 1918, 2562, 2877, 3598, 5397, 5754, 8357, 10794, 15677, 16714, 25071, 31354, 35209, 47031, 50142, 58499, 70418, 94062, 105627, 109739, 116998, 175497, 211254, 219478, 246463, 329217, 350994, 492926, 658434, 739389, 1478778, 2147749, 4295498, 6443247, 12886494, 15034243, 30068486, 45102729, 90205458]

約数ペア:

[(1, 90205458), (2, 45102729), (3, 30068486), (6, 15034243), (7, 12886494), (14, 6443247), (21, 4295498), (42, 2147749), (61, 1478778), (122, 739389), (137, 658434), (183, 492926), (257, 350994), (274, 329217), (366, 246463), (411, 219478), (427, 211254), (514, 175497), (771, 116998), (822, 109739), (854, 105627), (959, 94062), (1281, 70418), (1542, 58499), (1799, 50142), (1918, 47031), (2562, 35209), (2877, 31354), (3598, 25071), (5397, 16714), (5754, 15677), (8357, 10794)]