161840987

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67801}}^1$

素因数の和:67850

約数の個数: 16

約数和(自身を含む): 208287744

約数和(自身を除く): 46446757

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 67801, 474607, 745811, 2101831, 5220677, 14712817, 23120141, 161840987]

約数ペア:

[(1, 161840987), (7, 23120141), (11, 14712817), (31, 5220677), (77, 2101831), (217, 745811), (341, 474607), (2387, 67801)]