128512990

素因数分解:

$2^1\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{12251}}^1$

素因数の和:13307

約数の個数: 16

約数和(自身を含む): 231562800

約数和(自身を除く): 103049810

約数列:

[1, 2, 5, 10, 1049, 2098, 5245, 10490, 12251, 24502, 61255, 122510, 12851299, 25702598, 64256495, 128512990]

約数ペア:

[(1, 128512990), (2, 64256495), (5, 25702598), (10, 12851299), (1049, 122510), (2098, 61255), (5245, 24502), (10490, 12251)]