621968254

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1\times {\mathrm{821}}^1$

素因数の和:1272

約数の個数: 32

約数和(自身を含む): 999972864

約数和(自身を除く): 378004610

約数列:

[1, 2, 23, 43, 46, 86, 383, 766, 821, 989, 1642, 1978, 8809, 16469, 17618, 18883, 32938, 35303, 37766, 70606, 314443, 378787, 628886, 757574, 811969, 1623938, 7232189, 13521049, 14464378, 27042098, 310984127, 621968254]

約数ペア:

[(1, 621968254), (2, 310984127), (23, 27042098), (43, 14464378), (46, 13521049), (86, 7232189), (383, 1623938), (766, 811969), (821, 757574), (989, 628886), (1642, 378787), (1978, 314443), (8809, 70606), (16469, 37766), (17618, 35303), (18883, 32938)]