81991592

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{271}}^1\times {\mathrm{641}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 157161600

約数和(自身を除く): 75170008

約数列:

[1, 2, 4, 8, 59, 118, 236, 271, 472, 542, 641, 1084, 1282, 2168, 2564, 5128, 15989, 31978, 37819, 63956, 75638, 127912, 151276, 173711, 302552, 347422, 694844, 1389688, 10248949, 20497898, 40995796, 81991592]

約数ペア:

[(1, 81991592), (2, 40995796), (4, 20497898), (8, 10248949), (59, 1389688), (118, 694844), (236, 347422), (271, 302552), (472, 173711), (542, 151276), (641, 127912), (1084, 75638), (1282, 63956), (2168, 37819), (2564, 31978), (5128, 15989)]