1293389905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{194057}}^1$

素因数の和:194136

約数の個数: 16

約数和(自身を含む): 1639401984

約数和(自身を除く): 346012079

約数列:

[1, 5, 31, 43, 155, 215, 1333, 6665, 194057, 970285, 6015767, 8344451, 30078835, 41722255, 258677981, 1293389905]

約数ペア:

[(1, 1293389905), (5, 258677981), (31, 41722255), (43, 30078835), (155, 8344451), (215, 6015767), (1333, 970285), (6665, 194057)]