78865904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{379163}}^1$

素因数の和:379184

約数の個数: 20

約数和(自身を含む): 164557176

約数和(自身を除く): 85691272

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 379163, 758326, 1516652, 3033304, 4929119, 6066608, 9858238, 19716476, 39432952, 78865904]

約数ペア:

[(1, 78865904), (2, 39432952), (4, 19716476), (8, 9858238), (13, 6066608), (16, 4929119), (26, 3033304), (52, 1516652), (104, 758326), (208, 379163)]