1617386768

素因数分解:

$2^4\times {\mathrm{643}}^1\times {\mathrm{157211}}^1$

素因数の和:157862

約数の個数: 20

約数和(自身を含む): 3138580368

約数和(自身を除く): 1521193600

約数列:

[1, 2, 4, 8, 16, 643, 1286, 2572, 5144, 10288, 157211, 314422, 628844, 1257688, 2515376, 101086673, 202173346, 404346692, 808693384, 1617386768]

約数ペア:

[(1, 1617386768), (2, 808693384), (4, 404346692), (8, 202173346), (16, 101086673), (643, 2515376), (1286, 1257688), (2572, 628844), (5144, 314422), (10288, 157211)]