73175180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{653}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 166126464

約数和(自身を除く): 92951284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 431, 653, 862, 1306, 1724, 2155, 2612, 3265, 4310, 5603, 6530, 8489, 8620, 11206, 13060, 16978, 22412, 28015, 33956, 42445, 56030, 84890, 112060, 169780, 281443, 562886, 1125772, 1407215, 2814430, 3658759, 5628860, 7317518, 14635036, 18293795, 36587590, 73175180]

約数ペア:

[(1, 73175180), (2, 36587590), (4, 18293795), (5, 14635036), (10, 7317518), (13, 5628860), (20, 3658759), (26, 2814430), (52, 1407215), (65, 1125772), (130, 562886), (260, 281443), (431, 169780), (653, 112060), (862, 84890), (1306, 56030), (1724, 42445), (2155, 33956), (2612, 28015), (3265, 22412), (4310, 16978), (5603, 13060), (6530, 11206), (8489, 8620)]