208538572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{557}}^1$

素因数の和:766

約数の個数: 48

約数和(自身を含む): 407973888

約数和(自身を除く): 199435316

約数列:

[1, 2, 4, 11, 22, 44, 67, 127, 134, 254, 268, 508, 557, 737, 1114, 1397, 1474, 2228, 2794, 2948, 5588, 6127, 8509, 12254, 17018, 24508, 34036, 37319, 70739, 74638, 93599, 141478, 149276, 187198, 282956, 374396, 410509, 778129, 821018, 1556258, 1642036, 3112516, 4739513, 9479026, 18958052, 52134643, 104269286, 208538572]

約数ペア:

[(1, 208538572), (2, 104269286), (4, 52134643), (11, 18958052), (22, 9479026), (44, 4739513), (67, 3112516), (127, 1642036), (134, 1556258), (254, 821018), (268, 778129), (508, 410509), (557, 374396), (737, 282956), (1114, 187198), (1397, 149276), (1474, 141478), (2228, 93599), (2794, 74638), (2948, 70739), (5588, 37319), (6127, 34036), (8509, 24508), (12254, 17018)]