81275264

素因数分解:

$2^7\times 7^1\times {\mathrm{90709}}^1$

素因数の和:90730

約数の個数: 32

約数和(自身を含む): 185048400

約数和(自身を除く): 103773136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 90709, 181418, 362836, 634963, 725672, 1269926, 1451344, 2539852, 2902688, 5079704, 5805376, 10159408, 11610752, 20318816, 40637632, 81275264]

約数ペア:

[(1, 81275264), (2, 40637632), (4, 20318816), (7, 11610752), (8, 10159408), (14, 5805376), (16, 5079704), (28, 2902688), (32, 2539852), (56, 1451344), (64, 1269926), (112, 725672), (128, 634963), (224, 362836), (448, 181418), (896, 90709)]