28254706

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{643}}^1$

素因数の和:945

約数の個数: 16

約数和(自身を含む): 43029504

約数和(自身を除く): 14774798

約数列:

[1, 2, 127, 173, 254, 346, 643, 1286, 21971, 43942, 81661, 111239, 163322, 222478, 14127353, 28254706]

約数ペア:

[(1, 28254706), (2, 14127353), (127, 222478), (173, 163322), (254, 111239), (346, 81661), (643, 43942), (1286, 21971)]