81278596

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2069}}^1$

素因数の和:2164

約数の個数: 48

約数和(自身を含む): 172488960

約数和(自身を除く): 91210364

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 61, 92, 122, 161, 244, 322, 427, 644, 854, 1403, 1708, 2069, 2806, 4138, 5612, 8276, 9821, 14483, 19642, 28966, 39284, 47587, 57932, 95174, 126209, 190348, 252418, 333109, 504836, 666218, 883463, 1332436, 1766926, 2902807, 3533852, 5805614, 11611228, 20319649, 40639298, 81278596]

約数ペア:

[(1, 81278596), (2, 40639298), (4, 20319649), (7, 11611228), (14, 5805614), (23, 3533852), (28, 2902807), (46, 1766926), (61, 1332436), (92, 883463), (122, 666218), (161, 504836), (244, 333109), (322, 252418), (427, 190348), (644, 126209), (854, 95174), (1403, 57932), (1708, 47587), (2069, 39284), (2806, 28966), (4138, 19642), (5612, 14483), (8276, 9821)]