856977268

素因数分解:

$2^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{20149}}^1$

素因数の和:20205

約数の個数: 48

約数和(自身を含む): 1805440000

約数和(自身を除く): 948462732

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 343, 434, 686, 868, 1372, 1519, 3038, 6076, 10633, 20149, 21266, 40298, 42532, 80596, 141043, 282086, 564172, 624619, 987301, 1249238, 1974602, 2498476, 3949204, 4372333, 6911107, 8744666, 13822214, 17489332, 27644428, 30606331, 61212662, 122425324, 214244317, 428488634, 856977268]

約数ペア:

[(1, 856977268), (2, 428488634), (4, 214244317), (7, 122425324), (14, 61212662), (28, 30606331), (31, 27644428), (49, 17489332), (62, 13822214), (98, 8744666), (124, 6911107), (196, 4372333), (217, 3949204), (343, 2498476), (434, 1974602), (686, 1249238), (868, 987301), (1372, 624619), (1519, 564172), (3038, 282086), (6076, 141043), (10633, 80596), (20149, 42532), (21266, 40298)]