391452488

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{131891}}^1$

素因数の和:131957

約数の個数: 32

約数和(自身を含む): 854660160

約数和(自身を除く): 463207672

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 131891, 263782, 527564, 923237, 1055128, 1846474, 3692948, 6990223, 7385896, 13980446, 27960892, 48931561, 55921784, 97863122, 195726244, 391452488]

約数ペア:

[(1, 391452488), (2, 195726244), (4, 97863122), (7, 55921784), (8, 48931561), (14, 27960892), (28, 13980446), (53, 7385896), (56, 6990223), (106, 3692948), (212, 1846474), (371, 1055128), (424, 923237), (742, 527564), (1484, 263782), (2968, 131891)]