212977912

素因数分解:

$2^3\times 7^2\times {\mathrm{543311}}^1$

素因数の和:543331

約数の個数: 24

約数和(自身を含む): 464531760

約数和(自身を除く): 251553848

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 543311, 1086622, 2173244, 3803177, 4346488, 7606354, 15212708, 26622239, 30425416, 53244478, 106488956, 212977912]

約数ペア:

[(1, 212977912), (2, 106488956), (4, 53244478), (7, 30425416), (8, 26622239), (14, 15212708), (28, 7606354), (49, 4346488), (56, 3803177), (98, 2173244), (196, 1086622), (392, 543311)]