28863535

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 38491200

約数和(自身を除く): 9627665

約数列:

[1, 5, 17, 43, 53, 85, 149, 215, 265, 731, 745, 901, 2279, 2533, 3655, 4505, 6407, 7897, 11395, 12665, 32035, 38743, 39485, 108919, 134249, 193715, 339571, 544595, 671245, 1697855, 5772707, 28863535]

約数ペア:

[(1, 28863535), (5, 5772707), (17, 1697855), (43, 671245), (53, 544595), (85, 339571), (149, 193715), (215, 134249), (265, 108919), (731, 39485), (745, 38743), (901, 32035), (2279, 12665), (2533, 11395), (3655, 7897), (4505, 6407)]