81481848

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7951}}^1$

素因数の和:8028

約数の個数: 64

約数和(自身を含む): 236651520

約数和(自身を除く): 155169672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 61, 84, 122, 168, 183, 244, 366, 427, 488, 732, 854, 1281, 1464, 1708, 2562, 3416, 5124, 7951, 10248, 15902, 23853, 31804, 47706, 55657, 63608, 95412, 111314, 166971, 190824, 222628, 333942, 445256, 485011, 667884, 970022, 1335768, 1455033, 1940044, 2910066, 3395077, 3880088, 5820132, 6790154, 10185231, 11640264, 13580308, 20370462, 27160616, 40740924, 81481848]

約数ペア:

[(1, 81481848), (2, 40740924), (3, 27160616), (4, 20370462), (6, 13580308), (7, 11640264), (8, 10185231), (12, 6790154), (14, 5820132), (21, 3880088), (24, 3395077), (28, 2910066), (42, 1940044), (56, 1455033), (61, 1335768), (84, 970022), (122, 667884), (168, 485011), (183, 445256), (244, 333942), (366, 222628), (427, 190824), (488, 166971), (732, 111314), (854, 95412), (1281, 63608), (1464, 55657), (1708, 47706), (2562, 31804), (3416, 23853), (5124, 15902), (7951, 10248)]