81139814

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{3761}}^1$

素因数の和:3860

約数の個数: 32

約数和(自身を含む): 147350016

約数和(自身を除く): 66210202

約数列:

[1, 2, 7, 14, 23, 46, 67, 134, 161, 322, 469, 938, 1541, 3082, 3761, 7522, 10787, 21574, 26327, 52654, 86503, 173006, 251987, 503974, 605521, 1211042, 1763909, 3527818, 5795701, 11591402, 40569907, 81139814]

約数ペア:

[(1, 81139814), (2, 40569907), (7, 11591402), (14, 5795701), (23, 3527818), (46, 1763909), (67, 1211042), (134, 605521), (161, 503974), (322, 251987), (469, 173006), (938, 86503), (1541, 52654), (3082, 26327), (3761, 21574), (7522, 10787)]