127789744

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{420361}}^1$

素因数の和:420388

約数の個数: 20

約数和(自身を含む): 260624440

約数和(自身を除く): 132834696

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 420361, 840722, 1681444, 3362888, 6725776, 7986859, 15973718, 31947436, 63894872, 127789744]

約数ペア:

[(1, 127789744), (2, 63894872), (4, 31947436), (8, 15973718), (16, 7986859), (19, 6725776), (38, 3362888), (76, 1681444), (152, 840722), (304, 420361)]