6439888

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4423}}^1$

素因数の和:4451

約数の個数: 40

約数和(自身を含む): 15360128

約数和(自身を除く): 8920240

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 4423, 8846, 17692, 30961, 35384, 57499, 61922, 70768, 114998, 123844, 229996, 247688, 402493, 459992, 495376, 804986, 919984, 1609972, 3219944, 6439888]

約数ペア:

[(1, 6439888), (2, 3219944), (4, 1609972), (7, 919984), (8, 804986), (13, 495376), (14, 459992), (16, 402493), (26, 247688), (28, 229996), (52, 123844), (56, 114998), (91, 70768), (104, 61922), (112, 57499), (182, 35384), (208, 30961), (364, 17692), (728, 8846), (1456, 4423)]