128429286

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{19801}}^1$

素因数の和:19876

約数の個数: 32

約数和(自身を含む): 273742848

約数和(自身を除く): 145313562

約数列:

[1, 2, 3, 6, 23, 46, 47, 69, 94, 138, 141, 282, 1081, 2162, 3243, 6486, 19801, 39602, 59403, 118806, 455423, 910846, 930647, 1366269, 1861294, 2732538, 2791941, 5583882, 21404881, 42809762, 64214643, 128429286]

約数ペア:

[(1, 128429286), (2, 64214643), (3, 42809762), (6, 21404881), (23, 5583882), (46, 2791941), (47, 2732538), (69, 1861294), (94, 1366269), (138, 930647), (141, 910846), (282, 455423), (1081, 118806), (2162, 59403), (3243, 39602), (6486, 19801)]