378889732

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{81869}}^1$

素因数の和:81975

約数の個数: 24

約数和(自身を含む): 722093400

約数和(自身を除く): 343203668

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 81869, 163738, 327476, 1064297, 2128594, 4257188, 7286341, 14572682, 29145364, 94722433, 189444866, 378889732]

約数ペア:

[(1, 378889732), (2, 189444866), (4, 94722433), (13, 29145364), (26, 14572682), (52, 7286341), (89, 4257188), (178, 2128594), (356, 1064297), (1157, 327476), (2314, 163738), (4628, 81869)]