398272

素因数分解:

$2^6\times 7^2\times {\mathrm{127}}^1$

素因数の和:153

約数の個数: 42

約数和(自身を含む): 926592

約数和(自身を除く): 528320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 127, 196, 224, 254, 392, 448, 508, 784, 889, 1016, 1568, 1778, 2032, 3136, 3556, 4064, 6223, 7112, 8128, 12446, 14224, 24892, 28448, 49784, 56896, 99568, 199136, 398272]

約数ペア:

[(1, 398272), (2, 199136), (4, 99568), (7, 56896), (8, 49784), (14, 28448), (16, 24892), (28, 14224), (32, 12446), (49, 8128), (56, 7112), (64, 6223), (98, 4064), (112, 3556), (127, 3136), (196, 2032), (224, 1778), (254, 1568), (392, 1016), (448, 889), (508, 784)]