66749021

素因数分解:

${\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:544

約数の個数: 16

約数和(自身を含む): 72180720

約数和(自身を除く): 5431699

約数列:

[1, 17, 89, 157, 281, 1513, 2669, 4777, 13973, 25009, 44117, 237541, 425153, 749989, 3926413, 66749021]

約数ペア:

[(1, 66749021), (17, 3926413), (89, 749989), (157, 425153), (281, 237541), (1513, 44117), (2669, 25009), (4777, 13973)]