123875984

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{79817}}^1$

素因数の和:79922

約数の個数: 20

約数和(自身を含む): 242487084

約数和(自身を除く): 118611100

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 79817, 159634, 319268, 638536, 1277072, 7742249, 15484498, 30968996, 61937992, 123875984]

約数ペア:

[(1, 123875984), (2, 61937992), (4, 30968996), (8, 15484498), (16, 7742249), (97, 1277072), (194, 638536), (388, 319268), (776, 159634), (1552, 79817)]