127940284

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{1657}}^1$

素因数の和:1957

約数の個数: 24

約数和(自身を含む): 227477600

約数和(自身を除く): 99537316

約数列:

[1, 2, 4, 97, 194, 199, 388, 398, 796, 1657, 3314, 6628, 19303, 38606, 77212, 160729, 321458, 329743, 642916, 659486, 1318972, 31985071, 63970142, 127940284]

約数ペア:

[(1, 127940284), (2, 63970142), (4, 31985071), (97, 1318972), (194, 659486), (199, 642916), (388, 329743), (398, 321458), (796, 160729), (1657, 77212), (3314, 38606), (6628, 19303)]