128439734

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{5273}}^1$

素因数の和:5935

約数の個数: 16

約数和(自身を含む): 203154480

約数和(自身を除く): 74714746

約数列:

[1, 2, 19, 38, 641, 1282, 5273, 10546, 12179, 24358, 100187, 200374, 3379993, 6759986, 64219867, 128439734]

約数ペア:

[(1, 128439734), (2, 64219867), (19, 6759986), (38, 3379993), (641, 200374), (1282, 100187), (5273, 24358), (10546, 12179)]