81789564

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{739}}^1$

素因数の和:1170

約数の個数: 48

約数和(自身を含む): 199906560

約数和(自身を除く): 118116996

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 401, 739, 802, 1203, 1478, 1604, 2217, 2406, 2956, 4434, 4812, 8868, 9223, 16997, 18446, 27669, 33994, 36892, 50991, 55338, 67988, 101982, 110676, 203964, 296339, 592678, 889017, 1185356, 1778034, 3556068, 6815797, 13631594, 20447391, 27263188, 40894782, 81789564]

約数ペア:

[(1, 81789564), (2, 40894782), (3, 27263188), (4, 20447391), (6, 13631594), (12, 6815797), (23, 3556068), (46, 1778034), (69, 1185356), (92, 889017), (138, 592678), (276, 296339), (401, 203964), (739, 110676), (802, 101982), (1203, 67988), (1478, 55338), (1604, 50991), (2217, 36892), (2406, 33994), (2956, 27669), (4434, 18446), (4812, 16997), (8868, 9223)]