189380191

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{683}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 255564288

約数和(自身を除く): 66184097

約数列:

[1, 7, 11, 13, 77, 91, 143, 277, 683, 1001, 1939, 3047, 3601, 4781, 7513, 8879, 21329, 25207, 39611, 52591, 62153, 97669, 189191, 277277, 683683, 1324337, 2081101, 2459483, 14567707, 17216381, 27054313, 189380191]

約数ペア:

[(1, 189380191), (7, 27054313), (11, 17216381), (13, 14567707), (77, 2459483), (91, 2081101), (143, 1324337), (277, 683683), (683, 277277), (1001, 189191), (1939, 97669), (3047, 62153), (3601, 52591), (4781, 39611), (7513, 25207), (8879, 21329)]