1981588

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 4402944

約数和(自身を除く): 2421356

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 68, 92, 119, 161, 181, 238, 322, 362, 391, 476, 644, 724, 782, 1267, 1564, 2534, 2737, 3077, 4163, 5068, 5474, 6154, 8326, 10948, 12308, 16652, 21539, 29141, 43078, 58282, 70771, 86156, 116564, 141542, 283084, 495397, 990794, 1981588]

約数ペア:

[(1, 1981588), (2, 990794), (4, 495397), (7, 283084), (14, 141542), (17, 116564), (23, 86156), (28, 70771), (34, 58282), (46, 43078), (68, 29141), (92, 21539), (119, 16652), (161, 12308), (181, 10948), (238, 8326), (322, 6154), (362, 5474), (391, 5068), (476, 4163), (644, 3077), (724, 2737), (782, 2534), (1267, 1564)]