257156743648

素因数分解:

$2^5\times 7^1\times {\mathrm{397}}^1\times {\mathrm{2891741}}^1$

素因数の和:2892155

約数の個数: 48

約数和(自身を含む): 580060311264

約数和(自身を除く): 322903567616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 397, 794, 1588, 2779, 3176, 5558, 6352, 11116, 12704, 22232, 44464, 88928, 2891741, 5783482, 11566964, 20242187, 23133928, 40484374, 46267856, 80968748, 92535712, 161937496, 323874992, 647749984, 1148021177, 2296042354, 4592084708, 8036148239, 9184169416, 16072296478, 18368338832, 32144592956, 36736677664, 64289185912, 128578371824, 257156743648]

約数ペア:

[(1, 257156743648), (2, 128578371824), (4, 64289185912), (7, 36736677664), (8, 32144592956), (14, 18368338832), (16, 16072296478), (28, 9184169416), (32, 8036148239), (56, 4592084708), (112, 2296042354), (224, 1148021177), (397, 647749984), (794, 323874992), (1588, 161937496), (2779, 92535712), (3176, 80968748), (5558, 46267856), (6352, 40484374), (11116, 23133928), (12704, 20242187), (22232, 11566964), (44464, 5783482), (88928, 2891741)]