840505978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{523}}^1\times {\mathrm{547}}^1$

素因数の和:1198

約数の個数: 32

約数和(自身を含む): 1374883776

約数和(自身を除く): 534377798

約数列:

[1, 2, 13, 26, 113, 226, 523, 547, 1046, 1094, 1469, 2938, 6799, 7111, 13598, 14222, 59099, 61811, 118198, 123622, 286081, 572162, 768287, 803543, 1536574, 1607086, 3719053, 7438106, 32327153, 64654306, 420252989, 840505978]

約数ペア:

[(1, 840505978), (2, 420252989), (13, 64654306), (26, 32327153), (113, 7438106), (226, 3719053), (523, 1607086), (547, 1536574), (1046, 803543), (1094, 768287), (1469, 572162), (2938, 286081), (6799, 123622), (7111, 118198), (13598, 61811), (14222, 59099)]