28180537

素因数分解:

$7^4\times {\mathrm{11}}^2\times {\mathrm{97}}^1$

素因数の和:147

約数の個数: 30

約数和(自身を含む): 36508234

約数和(自身を除く): 8327697

約数列:

[1, 7, 11, 49, 77, 97, 121, 343, 539, 679, 847, 1067, 2401, 3773, 4753, 5929, 7469, 11737, 26411, 33271, 41503, 52283, 82159, 232897, 290521, 365981, 575113, 2561867, 4025791, 28180537]

約数ペア:

[(1, 28180537), (7, 4025791), (11, 2561867), (49, 575113), (77, 365981), (97, 290521), (121, 232897), (343, 82159), (539, 52283), (679, 41503), (847, 33271), (1067, 26411), (2401, 11737), (3773, 7469), (4753, 5929)]