139825826

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{12821}}^1$

素因数の和:12890

約数の個数: 32

約数和(自身を含む): 258491520

約数和(自身を除く): 118665694

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 133, 266, 287, 574, 779, 1558, 5453, 10906, 12821, 25642, 89747, 179494, 243599, 487198, 525661, 1051322, 1705193, 3410386, 3679627, 7359254, 9987559, 19975118, 69912913, 139825826]

約数ペア:

[(1, 139825826), (2, 69912913), (7, 19975118), (14, 9987559), (19, 7359254), (38, 3679627), (41, 3410386), (82, 1705193), (133, 1051322), (266, 525661), (287, 487198), (574, 243599), (779, 179494), (1558, 89747), (5453, 25642), (10906, 12821)]