168991888

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{62497}}^1$

素因数の和:62531

約数の個数: 30

約数和(自身を含む): 354551154

約数和(自身を除く): 185559266

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 62497, 124994, 249988, 499976, 812461, 999952, 1624922, 3249844, 6499688, 10561993, 12999376, 21123986, 42247972, 84495944, 168991888]

約数ペア:

[(1, 168991888), (2, 84495944), (4, 42247972), (8, 21123986), (13, 12999376), (16, 10561993), (26, 6499688), (52, 3249844), (104, 1624922), (169, 999952), (208, 812461), (338, 499976), (676, 249988), (1352, 124994), (2704, 62497)]