217963648

素因数分解:

$2^7\times 7^1\times {\mathrm{243263}}^1$

素因数の和:243284

約数の個数: 32

約数和(自身を含む): 496258560

約数和(自身を除く): 278294912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 243263, 486526, 973052, 1702841, 1946104, 3405682, 3892208, 6811364, 7784416, 13622728, 15568832, 27245456, 31137664, 54490912, 108981824, 217963648]

約数ペア:

[(1, 217963648), (2, 108981824), (4, 54490912), (7, 31137664), (8, 27245456), (14, 15568832), (16, 13622728), (28, 7784416), (32, 6811364), (56, 3892208), (64, 3405682), (112, 1946104), (128, 1702841), (224, 973052), (448, 486526), (896, 243263)]