212820784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{1209209}}^1$

素因数の和:1209228

約数の個数: 20

約数和(自身を含む): 449826120

約数和(自身を除く): 237005336

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 1209209, 2418418, 4836836, 9673672, 13301299, 19347344, 26602598, 53205196, 106410392, 212820784]

約数ペア:

[(1, 212820784), (2, 106410392), (4, 53205196), (8, 26602598), (11, 19347344), (16, 13301299), (22, 9673672), (44, 4836836), (88, 2418418), (176, 1209209)]