389702992

素因数分解:

$2^4\times 7^1\times {\mathrm{131}}^1\times {\mathrm{26561}}^1$

素因数の和:26707

約数の個数: 40

約数和(自身を含む): 869533632

約数和(自身を除く): 479830640

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 131, 262, 524, 917, 1048, 1834, 2096, 3668, 7336, 14672, 26561, 53122, 106244, 185927, 212488, 371854, 424976, 743708, 1487416, 2974832, 3479491, 6958982, 13917964, 24356437, 27835928, 48712874, 55671856, 97425748, 194851496, 389702992]

約数ペア:

[(1, 389702992), (2, 194851496), (4, 97425748), (7, 55671856), (8, 48712874), (14, 27835928), (16, 24356437), (28, 13917964), (56, 6958982), (112, 3479491), (131, 2974832), (262, 1487416), (524, 743708), (917, 424976), (1048, 371854), (1834, 212488), (2096, 185927), (3668, 106244), (7336, 53122), (14672, 26561)]