77131397

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{28181}}^1$

素因数の和:28228

約数の個数: 16

約数和(自身を含む): 97396992

約数和(自身を除く): 20265595

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 28181, 197267, 479077, 648163, 3353539, 4537141, 11018771, 77131397]

約数ペア:

[(1, 77131397), (7, 11018771), (17, 4537141), (23, 3353539), (119, 648163), (161, 479077), (391, 197267), (2737, 28181)]