65649712

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{215953}}^1$

素因数の和:215980

約数の個数: 20

約数和(自身を含む): 133891480

約数和(自身を除く): 68241768

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 215953, 431906, 863812, 1727624, 3455248, 4103107, 8206214, 16412428, 32824856, 65649712]

約数ペア:

[(1, 65649712), (2, 32824856), (4, 16412428), (8, 8206214), (16, 4103107), (19, 3455248), (38, 1727624), (76, 863812), (152, 431906), (304, 215953)]