81195884

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 185794560

約数和(自身を除く): 104598676

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 47, 71, 77, 79, 94, 142, 154, 158, 188, 284, 308, 316, 329, 497, 517, 553, 658, 781, 869, 994, 1034, 1106, 1316, 1562, 1738, 1988, 2068, 2212, 3124, 3337, 3476, 3619, 3713, 5467, 5609, 6083, 6674, 7238, 7426, 10934, 11218, 12166, 13348, 14476, 14852, 21868, 22436, 23359, 24332, 25991, 36707, 39263, 40843, 46718, 51982, 61699, 73414, 78526, 81686, 93436, 103964, 123398, 146828, 157052, 163372, 246796, 256949, 263623, 285901, 431893, 513898, 527246, 571802, 863786, 1027796, 1054492, 1143604, 1727572, 1845361, 2899853, 3690722, 5799706, 7381444, 11599412, 20298971, 40597942, 81195884]

約数ペア:

[(1, 81195884), (2, 40597942), (4, 20298971), (7, 11599412), (11, 7381444), (14, 5799706), (22, 3690722), (28, 2899853), (44, 1845361), (47, 1727572), (71, 1143604), (77, 1054492), (79, 1027796), (94, 863786), (142, 571802), (154, 527246), (158, 513898), (188, 431893), (284, 285901), (308, 263623), (316, 256949), (329, 246796), (497, 163372), (517, 157052), (553, 146828), (658, 123398), (781, 103964), (869, 93436), (994, 81686), (1034, 78526), (1106, 73414), (1316, 61699), (1562, 51982), (1738, 46718), (1988, 40843), (2068, 39263), (2212, 36707), (3124, 25991), (3337, 24332), (3476, 23359), (3619, 22436), (3713, 21868), (5467, 14852), (5609, 14476), (6083, 13348), (6674, 12166), (7238, 11218), (7426, 10934)]