128209994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{86981}}^1$

素因数の和:87061

約数の個数: 16

約数和(自身を含む): 212931936

約数和(自身を除く): 84721942

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 86981, 173962, 956791, 1913582, 5827727, 11655454, 64104997, 128209994]

約数ペア:

[(1, 128209994), (2, 64104997), (11, 11655454), (22, 5827727), (67, 1913582), (134, 956791), (737, 173962), (1474, 86981)]