81965744

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{677}}^1$

素因数の和:762

約数の個数: 80

約数和(自身を含む): 193701888

約数和(自身を除く): 111736144

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 47, 56, 92, 94, 112, 161, 184, 188, 322, 329, 368, 376, 644, 658, 677, 752, 1081, 1288, 1316, 1354, 2162, 2576, 2632, 2708, 4324, 4739, 5264, 5416, 7567, 8648, 9478, 10832, 15134, 15571, 17296, 18956, 30268, 31142, 31819, 37912, 60536, 62284, 63638, 75824, 108997, 121072, 124568, 127276, 217994, 222733, 249136, 254552, 435988, 445466, 509104, 731837, 871976, 890932, 1463674, 1743952, 1781864, 2927348, 3563728, 5122859, 5854696, 10245718, 11709392, 20491436, 40982872, 81965744]

約数ペア:

[(1, 81965744), (2, 40982872), (4, 20491436), (7, 11709392), (8, 10245718), (14, 5854696), (16, 5122859), (23, 3563728), (28, 2927348), (46, 1781864), (47, 1743952), (56, 1463674), (92, 890932), (94, 871976), (112, 731837), (161, 509104), (184, 445466), (188, 435988), (322, 254552), (329, 249136), (368, 222733), (376, 217994), (644, 127276), (658, 124568), (677, 121072), (752, 108997), (1081, 75824), (1288, 63638), (1316, 62284), (1354, 60536), (2162, 37912), (2576, 31819), (2632, 31142), (2708, 30268), (4324, 18956), (4739, 17296), (5264, 15571), (5416, 15134), (7567, 10832), (8648, 9478)]