840487904

素因数分解:

$2^5\times {\mathrm{1319}}^1\times {\mathrm{19913}}^1$

素因数の和:21242

約数の個数: 24

約数和(自身を含む): 1656048240

約数和(自身を除く): 815560336

約数列:

[1, 2, 4, 8, 16, 32, 1319, 2638, 5276, 10552, 19913, 21104, 39826, 42208, 79652, 159304, 318608, 637216, 26265247, 52530494, 105060988, 210121976, 420243952, 840487904]

約数ペア:

[(1, 840487904), (2, 420243952), (4, 210121976), (8, 105060988), (16, 52530494), (32, 26265247), (1319, 637216), (2638, 318608), (5276, 159304), (10552, 79652), (19913, 42208), (21104, 39826)]