81655156

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{1493}}^1$

素因数の和:1632

約数の個数: 36

約数和(自身を含む): 158564196

約数和(自身を除く): 76909040

約数列:

[1, 2, 4, 11, 22, 44, 113, 121, 226, 242, 452, 484, 1243, 1493, 2486, 2986, 4972, 5972, 13673, 16423, 27346, 32846, 54692, 65692, 168709, 180653, 337418, 361306, 674836, 722612, 1855799, 3711598, 7423196, 20413789, 40827578, 81655156]

約数ペア:

[(1, 81655156), (2, 40827578), (4, 20413789), (11, 7423196), (22, 3711598), (44, 1855799), (113, 722612), (121, 674836), (226, 361306), (242, 337418), (452, 180653), (484, 168709), (1243, 65692), (1493, 54692), (2486, 32846), (2986, 27346), (4972, 16423), (5972, 13673)]