13221124

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 27596800

約数和(自身を除く): 14375676

約数列:

[1, 2, 4, 7, 14, 28, 43, 79, 86, 139, 158, 172, 278, 301, 316, 553, 556, 602, 973, 1106, 1204, 1946, 2212, 3397, 3892, 5977, 6794, 10981, 11954, 13588, 21962, 23779, 23908, 41839, 43924, 47558, 76867, 83678, 95116, 153734, 167356, 307468, 472183, 944366, 1888732, 3305281, 6610562, 13221124]

約数ペア:

[(1, 13221124), (2, 6610562), (4, 3305281), (7, 1888732), (14, 944366), (28, 472183), (43, 307468), (79, 167356), (86, 153734), (139, 95116), (158, 83678), (172, 76867), (278, 47558), (301, 43924), (316, 41839), (553, 23908), (556, 23779), (602, 21962), (973, 13588), (1106, 11954), (1204, 10981), (1946, 6794), (2212, 5977), (3397, 3892)]