68301584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{328373}}^1$

素因数の和:328394

約数の個数: 20

約数和(自身を含む): 142514316

約数和(自身を除く): 74212732

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 328373, 656746, 1313492, 2626984, 4268849, 5253968, 8537698, 17075396, 34150792, 68301584]

約数ペア:

[(1, 68301584), (2, 34150792), (4, 17075396), (8, 8537698), (13, 5253968), (16, 4268849), (26, 2626984), (52, 1313492), (104, 656746), (208, 328373)]