128792279

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 174666240

約数和(自身を除く): 45873961

約数列:

[1, 7, 11, 19, 53, 77, 121, 133, 151, 209, 371, 583, 847, 1007, 1057, 1463, 1661, 2299, 2869, 4081, 6413, 7049, 8003, 11077, 11627, 16093, 18271, 20083, 31559, 44891, 56021, 77539, 88033, 121847, 127897, 152057, 220913, 347149, 616231, 852929, 968363, 1064399, 1672627, 2430043, 6778541, 11708389, 18398897, 128792279]

約数ペア:

[(1, 128792279), (7, 18398897), (11, 11708389), (19, 6778541), (53, 2430043), (77, 1672627), (121, 1064399), (133, 968363), (151, 852929), (209, 616231), (371, 347149), (583, 220913), (847, 152057), (1007, 127897), (1057, 121847), (1463, 88033), (1661, 77539), (2299, 56021), (2869, 44891), (4081, 31559), (6413, 20083), (7049, 18271), (8003, 16093), (11077, 11627)]