127293136

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{39979}}^1$

素因数の和:40186

約数の個数: 20

約数和(自身を含む): 247876000

約数和(自身を除く): 120582864

約数列:

[1, 2, 4, 8, 16, 199, 398, 796, 1592, 3184, 39979, 79958, 159916, 319832, 639664, 7955821, 15911642, 31823284, 63646568, 127293136]

約数ペア:

[(1, 127293136), (2, 63646568), (4, 31823284), (8, 15911642), (16, 7955821), (199, 639664), (398, 319832), (796, 159916), (1592, 79958), (3184, 39979)]