257761664

素因数分解:

$2^7\times {\mathrm{137}}^1\times {\mathrm{14699}}^1$

素因数の和:14850

約数の個数: 32

約数和(自身を含む): 517293000

約数和(自身を除く): 259531336

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 137, 274, 548, 1096, 2192, 4384, 8768, 14699, 17536, 29398, 58796, 117592, 235184, 470368, 940736, 1881472, 2013763, 4027526, 8055052, 16110104, 32220208, 64440416, 128880832, 257761664]

約数ペア:

[(1, 257761664), (2, 128880832), (4, 64440416), (8, 32220208), (16, 16110104), (32, 8055052), (64, 4027526), (128, 2013763), (137, 1881472), (274, 940736), (548, 470368), (1096, 235184), (2192, 117592), (4384, 58796), (8768, 29398), (14699, 17536)]