72276589

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 95846400

約数和(自身を除く): 23569811

約数列:

[1, 7, 11, 19, 77, 127, 133, 209, 389, 889, 1397, 1463, 2413, 2723, 4279, 7391, 9779, 16891, 26543, 29953, 49403, 51737, 81301, 185801, 345821, 543433, 569107, 938657, 3804031, 6570599, 10325227, 72276589]

約数ペア:

[(1, 72276589), (7, 10325227), (11, 6570599), (19, 3804031), (77, 938657), (127, 569107), (133, 543433), (209, 345821), (389, 185801), (889, 81301), (1397, 51737), (1463, 49403), (2413, 29953), (2723, 26543), (4279, 16891), (7391, 9779)]