161731504

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{601}}^1$

素因数の和:770

約数の個数: 60

約数和(自身を含む): 347486440

約数和(自身を除く): 185754936

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 139, 176, 242, 278, 484, 556, 601, 968, 1112, 1202, 1529, 1936, 2224, 2404, 3058, 4808, 6116, 6611, 9616, 12232, 13222, 16819, 24464, 26444, 33638, 52888, 67276, 72721, 83539, 105776, 134552, 145442, 167078, 269104, 290884, 334156, 581768, 668312, 918929, 1163536, 1336624, 1837858, 3675716, 7351432, 10108219, 14702864, 20216438, 40432876, 80865752, 161731504]

約数ペア:

[(1, 161731504), (2, 80865752), (4, 40432876), (8, 20216438), (11, 14702864), (16, 10108219), (22, 7351432), (44, 3675716), (88, 1837858), (121, 1336624), (139, 1163536), (176, 918929), (242, 668312), (278, 581768), (484, 334156), (556, 290884), (601, 269104), (968, 167078), (1112, 145442), (1202, 134552), (1529, 105776), (1936, 83539), (2224, 72721), (2404, 67276), (3058, 52888), (4808, 33638), (6116, 26444), (6611, 24464), (9616, 16819), (12232, 13222)]