261794752

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1039}}^1$

素因数の和:1209

約数の個数: 56

約数和(自身を含む): 540999680

約数和(自身を除く): 279204928

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 248, 254, 496, 508, 992, 1016, 1039, 1984, 2032, 2078, 3937, 4064, 4156, 7874, 8128, 8312, 15748, 16624, 31496, 32209, 33248, 62992, 64418, 66496, 125984, 128836, 131953, 251968, 257672, 263906, 515344, 527812, 1030688, 1055624, 2061376, 2111248, 4090543, 4222496, 8181086, 8444992, 16362172, 32724344, 65448688, 130897376, 261794752]

約数ペア:

[(1, 261794752), (2, 130897376), (4, 65448688), (8, 32724344), (16, 16362172), (31, 8444992), (32, 8181086), (62, 4222496), (64, 4090543), (124, 2111248), (127, 2061376), (248, 1055624), (254, 1030688), (496, 527812), (508, 515344), (992, 263906), (1016, 257672), (1039, 251968), (1984, 131953), (2032, 128836), (2078, 125984), (3937, 66496), (4064, 64418), (4156, 62992), (7874, 33248), (8128, 32209), (8312, 31496), (15748, 16624)]