1900874969

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{64091}}^1$

素因数の和:64340

約数の個数: 16

約数和(自身を含む): 2297057280

約数和(自身を除く): 396182311

約数列:

[1, 7, 19, 133, 223, 1561, 4237, 29659, 64091, 448637, 1217729, 8524103, 14292293, 100046051, 271553567, 1900874969]

約数ペア:

[(1, 1900874969), (7, 271553567), (19, 100046051), (133, 14292293), (223, 8524103), (1561, 1217729), (4237, 448637), (29659, 64091)]