128808596

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{4787}}^1$

素因数の和:4860

約数の個数: 36

約数和(自身を含む): 266251104

約数和(自身を除く): 137442508

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 961, 1922, 3844, 4787, 6727, 9574, 13454, 19148, 26908, 33509, 67018, 134036, 148397, 296794, 593588, 1038779, 2077558, 4155116, 4600307, 9200614, 18401228, 32202149, 64404298, 128808596]

約数ペア:

[(1, 128808596), (2, 64404298), (4, 32202149), (7, 18401228), (14, 9200614), (28, 4600307), (31, 4155116), (62, 2077558), (124, 1038779), (217, 593588), (434, 296794), (868, 148397), (961, 134036), (1922, 67018), (3844, 33509), (4787, 26908), (6727, 19148), (9574, 13454)]