2156756

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 4790016

約数和(自身を除く): 2633260

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 68, 92, 119, 161, 197, 238, 322, 391, 394, 476, 644, 782, 788, 1379, 1564, 2737, 2758, 3349, 4531, 5474, 5516, 6698, 9062, 10948, 13396, 18124, 23443, 31717, 46886, 63434, 77027, 93772, 126868, 154054, 308108, 539189, 1078378, 2156756]

約数ペア:

[(1, 2156756), (2, 1078378), (4, 539189), (7, 308108), (14, 154054), (17, 126868), (23, 93772), (28, 77027), (34, 63434), (46, 46886), (68, 31717), (92, 23443), (119, 18124), (161, 13396), (197, 10948), (238, 9062), (322, 6698), (391, 5516), (394, 5474), (476, 4531), (644, 3349), (782, 2758), (788, 2737), (1379, 1564)]