138889774

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1\times {\mathrm{3719}}^1$

素因数の和:4055

約数の個数: 16

約数和(自身を含む): 212129280

約数和(自身を除く): 73239506

約数列:

[1, 2, 71, 142, 263, 526, 3719, 7438, 18673, 37346, 264049, 528098, 978097, 1956194, 69444887, 138889774]

約数ペア:

[(1, 138889774), (2, 69444887), (71, 1956194), (142, 978097), (263, 528098), (526, 264049), (3719, 37346), (7438, 18673)]