128368784

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{119747}}^1$

素因数の和:119822

約数の個数: 20

約数和(自身を含む): 252428784

約数和(自身を除く): 124060000

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 119747, 239494, 478988, 957976, 1915952, 8023049, 16046098, 32092196, 64184392, 128368784]

約数ペア:

[(1, 128368784), (2, 64184392), (4, 32092196), (8, 16046098), (16, 8023049), (67, 1915952), (134, 957976), (268, 478988), (536, 239494), (1072, 119747)]