211620416

素因数分解:

$2^6\times 7^2\times {\mathrm{67481}}^1$

素因数の和:67507

約数の個数: 42

約数和(自身を含む): 488502198

約数和(自身を除く): 276881782

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 67481, 134962, 269924, 472367, 539848, 944734, 1079696, 1889468, 2159392, 3306569, 3778936, 4318784, 6613138, 7557872, 13226276, 15115744, 26452552, 30231488, 52905104, 105810208, 211620416]

約数ペア:

[(1, 211620416), (2, 105810208), (4, 52905104), (7, 30231488), (8, 26452552), (14, 15115744), (16, 13226276), (28, 7557872), (32, 6613138), (49, 4318784), (56, 3778936), (64, 3306569), (98, 2159392), (112, 1889468), (196, 1079696), (224, 944734), (392, 539848), (448, 472367), (784, 269924), (1568, 134962), (3136, 67481)]