199809328

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{158077}}^1$

素因数の和:158164

約数の個数: 20

約数和(自身を含む): 392033440

約数和(自身を除く): 192224112

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 158077, 316154, 632308, 1264616, 2529232, 12488083, 24976166, 49952332, 99904664, 199809328]

約数ペア:

[(1, 199809328), (2, 99904664), (4, 49952332), (8, 24976166), (16, 12488083), (79, 2529232), (158, 1264616), (316, 632308), (632, 316154), (1264, 158077)]