128223888

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{205487}}^1$

素因数の和:205511

約数の個数: 40

約数和(自身を含む): 356727168

約数和(自身を除く): 228503280

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 205487, 410974, 616461, 821948, 1232922, 1643896, 2465844, 2671331, 3287792, 4931688, 5342662, 8013993, 9863376, 10685324, 16027986, 21370648, 32055972, 42741296, 64111944, 128223888]

約数ペア:

[(1, 128223888), (2, 64111944), (3, 42741296), (4, 32055972), (6, 21370648), (8, 16027986), (12, 10685324), (13, 9863376), (16, 8013993), (24, 5342662), (26, 4931688), (39, 3287792), (48, 2671331), (52, 2465844), (78, 1643896), (104, 1232922), (156, 821948), (208, 616461), (312, 410974), (624, 205487)]