397453504

素因数分解:

$2^6\times 7^2\times {\mathrm{126739}}^1$

素因数の和:126765

約数の個数: 42

約数和(自身を含む): 917470860

約数和(自身を除く): 520017356

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 126739, 253478, 506956, 887173, 1013912, 1774346, 2027824, 3548692, 4055648, 6210211, 7097384, 8111296, 12420422, 14194768, 24840844, 28389536, 49681688, 56779072, 99363376, 198726752, 397453504]

約数ペア:

[(1, 397453504), (2, 198726752), (4, 99363376), (7, 56779072), (8, 49681688), (14, 28389536), (16, 24840844), (28, 14194768), (32, 12420422), (49, 8111296), (56, 7097384), (64, 6210211), (98, 4055648), (112, 3548692), (196, 2027824), (224, 1774346), (392, 1013912), (448, 887173), (784, 506956), (1568, 253478), (3136, 126739)]