6720784

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2609}}^1$

素因数の和:2647

約数の個数: 40

約数和(自身を含む): 15534720

約数和(自身を除く): 8813936

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 2609, 5218, 10436, 18263, 20872, 36526, 41744, 60007, 73052, 120014, 146104, 240028, 292208, 420049, 480056, 840098, 960112, 1680196, 3360392, 6720784]

約数ペア:

[(1, 6720784), (2, 3360392), (4, 1680196), (7, 960112), (8, 840098), (14, 480056), (16, 420049), (23, 292208), (28, 240028), (46, 146104), (56, 120014), (92, 73052), (112, 60007), (161, 41744), (184, 36526), (322, 20872), (368, 18263), (644, 10436), (1288, 5218), (2576, 2609)]