688742144

素因数分解:

$2^8\times {\mathrm{419}}^1\times {\mathrm{6421}}^1$

素因数の和:6856

約数の個数: 36

約数和(自身を含む): 1378289640

約数和(自身を除く): 689547496

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 419, 838, 1676, 3352, 6421, 6704, 12842, 13408, 25684, 26816, 51368, 53632, 102736, 107264, 205472, 410944, 821888, 1643776, 2690399, 5380798, 10761596, 21523192, 43046384, 86092768, 172185536, 344371072, 688742144]

約数ペア:

[(1, 688742144), (2, 344371072), (4, 172185536), (8, 86092768), (16, 43046384), (32, 21523192), (64, 10761596), (128, 5380798), (256, 2690399), (419, 1643776), (838, 821888), (1676, 410944), (3352, 205472), (6421, 107264), (6704, 102736), (12842, 53632), (13408, 51368), (25684, 26816)]