81671988

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{1487}}^1$

素因数の和:1716

約数の個数: 48

約数和(自身を含む): 199987200

約数和(自身を除く): 118315212

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 199, 276, 398, 597, 796, 1194, 1487, 2388, 2974, 4461, 4577, 5948, 8922, 9154, 13731, 17844, 18308, 27462, 34201, 54924, 68402, 102603, 136804, 205206, 295913, 410412, 591826, 887739, 1183652, 1775478, 3550956, 6805999, 13611998, 20417997, 27223996, 40835994, 81671988]

約数ペア:

[(1, 81671988), (2, 40835994), (3, 27223996), (4, 20417997), (6, 13611998), (12, 6805999), (23, 3550956), (46, 1775478), (69, 1183652), (92, 887739), (138, 591826), (199, 410412), (276, 295913), (398, 205206), (597, 136804), (796, 102603), (1194, 68402), (1487, 54924), (2388, 34201), (2974, 27462), (4461, 18308), (4577, 17844), (5948, 13731), (8922, 9154)]