208348509

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{937}}^1$

素因数の和:1089

約数の個数: 32

約数和(自身を含む): 302561280

約数和(自身を除く): 94212771

約数列:

[1, 3, 19, 47, 57, 83, 141, 249, 893, 937, 1577, 2679, 2811, 3901, 4731, 11703, 17803, 44039, 53409, 74119, 77771, 132117, 222357, 233313, 836741, 1477649, 2510223, 3655237, 4432947, 10965711, 69449503, 208348509]

約数ペア:

[(1, 208348509), (3, 69449503), (19, 10965711), (47, 4432947), (57, 3655237), (83, 2510223), (141, 1477649), (249, 836741), (893, 233313), (937, 222357), (1577, 132117), (2679, 77771), (2811, 74119), (3901, 53409), (4731, 44039), (11703, 17803)]