81363814

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1181}}^1$

素因数の和:1253

約数の個数: 48

約数和(自身を含む): 153612720

約数和(自身を除く): 72248906

約数列:

[1, 2, 7, 14, 19, 37, 38, 49, 74, 98, 133, 259, 266, 518, 703, 931, 1181, 1406, 1813, 1862, 2362, 3626, 4921, 8267, 9842, 16534, 22439, 34447, 43697, 44878, 57869, 68894, 87394, 115738, 157073, 305879, 314146, 611758, 830243, 1099511, 1660486, 2141153, 2199022, 4282306, 5811701, 11623402, 40681907, 81363814]

約数ペア:

[(1, 81363814), (2, 40681907), (7, 11623402), (14, 5811701), (19, 4282306), (37, 2199022), (38, 2141153), (49, 1660486), (74, 1099511), (98, 830243), (133, 611758), (259, 314146), (266, 305879), (518, 157073), (703, 115738), (931, 87394), (1181, 68894), (1406, 57869), (1813, 44878), (1862, 43697), (2362, 34447), (3626, 22439), (4921, 16534), (8267, 9842)]