28778548

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{619}}^1$

素因数の和:879

約数の個数: 24

約数和(自身を含む): 51559200

約数和(自身を除く): 22780652

約数列:

[1, 2, 4, 59, 118, 197, 236, 394, 619, 788, 1238, 2476, 11623, 23246, 36521, 46492, 73042, 121943, 146084, 243886, 487772, 7194637, 14389274, 28778548]

約数ペア:

[(1, 28778548), (2, 14389274), (4, 7194637), (59, 487772), (118, 243886), (197, 146084), (236, 121943), (394, 73042), (619, 46492), (788, 36521), (1238, 23246), (2476, 11623)]