221424128

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{18803}}^1$

素因数の和:18844

約数の個数: 40

約数和(自身を含む): 461675808

約数和(自身を除く): 240251680

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 512, 736, 1472, 2944, 5888, 11776, 18803, 37606, 75212, 150424, 300848, 432469, 601696, 864938, 1203392, 1729876, 2406784, 3459752, 4813568, 6919504, 9627136, 13839008, 27678016, 55356032, 110712064, 221424128]

約数ペア:

[(1, 221424128), (2, 110712064), (4, 55356032), (8, 27678016), (16, 13839008), (23, 9627136), (32, 6919504), (46, 4813568), (64, 3459752), (92, 2406784), (128, 1729876), (184, 1203392), (256, 864938), (368, 601696), (512, 432469), (736, 300848), (1472, 150424), (2944, 75212), (5888, 37606), (11776, 18803)]